Wa600-3+.pdf

WA600-3 WA700-3 WA800-3 WA900-3

MODEL CHANGE

Contents • • • • • •

Back ground of Development Trend of Demand and Sales Volume Trend of Competitors Goal of Model Change Features of M/C Vehicle Sales Tactics ( Differentiation in sales of WA800-3 and WA900-3 ) • Release Schedule

WA-Market Data: Page 1

1. Background of development • When WA-1 models were put on the market, they were at a overwhelmingly dominant position in its main specifications, environment of the operator seat, operating performance, etc.. • Those advantages have been lowered, however, as the competitor model-changes. In particular, the environment of the operator seat of large class loaders are remarkably lower. • In addition, there has been a push by the world wide market to introduce an updated version of the large size models since the introduction of the Dash 3 up to the WA500.

WA-Market Data: Page 2

2. Trend of Demand, Sales Volume 1) WA600 class Demand by Area AMERICA

( Units)

EUROPE

AFRICA, M.EAST

JAPAN

ASIA, OCEANIA

1600 1400 1200

1336

1364

97 85

92 80 131

146 1000 800

886 309

376

36 75 118

600 259 400

699

82 51 240

828 734

745

84 60 55 163

71 52 47 113

707 58 53 43 177

58 58 46

702 55 64 31 178

198

167

685

200

815

398

275

372

462

376

468

374

0 1988

1989

1990

1991

1992

1993

1994

1995 ( Apr - Mar )

1996

WA-Market Data: Page 3

2) WA 600 Sales Volume by Area AMERICA

( Unit )

EUROPE

AFRICA, M.EAST JAPAN

ASIA, OCEANIA

250 220 25

200 170 150

22

31 150 29

26 17

45

100

7

135

32

23

14

34 43 50 71

101 11

25

23 5

9 31

54 30

115

19

10 21 6

22 16

135

11 20

20

17

29

27

55

23 4 26

18

32

90

118

130

47

43

49

1992

1993

1994

62

0 1988

1989

1990

1991

1995 1996 ( Apr-Mar )

WA-Market Data: Page 4

3) WA700 - WA900 class Demand by Area AMERICA

EUROPE

AFRICA, M.EAST

JAPAN

ASIA, OCEANIA

( Units )

348 350 54 300

311

38 250

250 31

26 26

204

219

22

150 100

227

24 37

200

273

271

37

58

245 39

43

36 20

25

42

19 13

13 14

22

36

38

35

13 10 22

123

132

145

142

1991

1992

1993

1994

27 43

182

50

18 23 25

168 119

0 1989

1990

1995

1996 ( Apr - Mar )

WA-Market Data: Page 5

4) WA700 Sales Volume by Area AMERICA

(Units) 25

EUROPE

20 15 15

19 1

8

2

10

0

JAPAN

ASIA, OCEANIA

23 3

5

AFRICA, M.EAST

10

14

16 1

3

4

14

5

2 3

3

9

11

16 1

5

4 8

2 2

3

1988

1989

1990

5

5

1991

1992

7

1993

5 1994

7

7

1995

1996

( Apr - Mar )

WA-Market Data: Page 6

4) WA800 / 900 Sales Volume by Area AMERICA

( Units ) 35

EUROPE

AFRICA, M.EAST

JAPAN

ASIA, OCEANIA

( ) numbers shows sales volume of WA900-1 28

30 25 25

28 24

28 24

8 6

8 4

11

22

4

20

20

5

3

5 8

15

10

10

5

7

12

(2)

6

(2)

8

(1)

10

5

11

10 6

6

7

8

1991

1992

1993

9

0 1989

1990

1994

1995 1996 ( Apr - Mar )

WA-Market Data: Page 7

3. Trend of Competitors 1)

WA600 class Manufacturer Model CAT

988F II

Release schedule 1996

Description Engine changed

3408E-TA <-- 3408-TA

Engine output changed 988F -

1993

988B KAWASAKI

115ZA-2

6.1 m3 <-- 5.4 m3

Engine output changed

400HP <-- 375HP

Steering

STIC

Cab glass ROPS

115ZIV

1995

<-- 400HP

Bucket capacity changed

Jul., 1997 Cab improvement

(Japan only)

430HP

Viscous mount

<-- Handle <-- rubber mount

Curved glass <-- flat glass Standard provision <-- OP

Bucket capacity changed

6.0 m3 <-- 5.6 m3

Operator's compartment environment improved (feeling similar to passenger car) 115Z III -

1988

Engine output changed T/M control

410HP

<-- 383HP

Automatic shifting <-- manual

110Z II TCM

890-3

1994

Bucket capacity changed Engine output changed

890-2 (890)

6.0m <-- 5.7 m 415HP <-- 410HP

1990 T/M control

Automatic shifting

Loader linkage pin

2000HR maintenance free

WA-Market Data: Page 8

2) WA700 class Manufacturer

Model

Release Item newly incorporated schedule

CAT

990 II

1996

Engine changed 3412E-TA <-- 3412-TA Engine output changed 625HP <-- 610HP

990

1993

Bucket capacity changed Steering

8.6 m3 STIC

WA-Market Data: Page 9

3)

WA800/900 class Manufacturer CAT

Model 992G

Release schedule Mar., 1997 U.S.A.)

Item newly incorporated Loader link shape

AC link <-- Z bar Mono-piece <-- Double-plate

Engine output changed Bucket capacity changed

992D (m/c) 992D

Bucket capacity changed Steering handle type Vehicle weight

992C

1977

11.5-12.3 m3 <-- 10.7 m3

Loader link pin made maintenance free

Engine output changed

1992

<-- 710HP

Size increased

Cab Serviceability

800HP

710HP

<--

690HP

10.7 m3

<-- 10.3 m3

STIC

<-- handle

92.7 ton

<-- 85.15 ton

Loader link

Z bar ( 2- bell cranks)

Engine output Bucket capacity

690HP 10.3 m3 <-- 9.6 m3

Vehicle weight

85.15 ton

WA-Market Data: Page 10

4. Goals of M/C 1) Completion of WA-3 model series 2) Share increase by reinforced competitive edge (Response to user needs)

5. Features of M/C Vehicle

WA-Market Data: Page 11

6. Comparison of Main Specifications 1)

WA600-3

Symbols -

WA600-3

: Superior,

CAT 988FII Comparison of WA600-3 with competitor

: Equal,

: Inferior to competitor

Kawasaki 115ZiV Comparison of WA600-3 with competitor

VOLVO L330C Comparison of WA600-3 with competitor

Item

Unit

Specification

Bucket capacity (Straight edge, with teeth)

m3 (Yd3)

6.1 (8.0)

6.1 (8.0)

6.0 (7.8)

6.6 (8.6)

Engine output

HP

440

430

410

498

Operating weight

kg

43,950

45,300

43,530

47,130

Tipping load (Straight travel position)

kg

31,000

30,700

28,200

36,290

Wheelbase

mm

4,100

3,810

4,050

4,060

Dumping clearance (At edge)

mm

3,805

3,700

3,760

3,780

Brake control

Fully hydraulic

Fully hydraulic

Fully hydraulic

Fully hydraulic

Transmission control

Automatic shifting (OP)

Manual shifting

Automatic shifting

Automatic shifting

Hydraulic system

Dual Speed Hyd. System

Conventional

Conventional

Load sensing, Variable capacity

Lunch box space in cab

Yes

Yes

No

No

Operator's seat

Air suspension (op)

Air suspension

Spring Suspension

Spring Suspension

Specification

Specification

Specification

WA-Market Data: Page 12

2) WA700-3 Symbols -

: Superior,

WA700-3

: Equal,

: Inferior to competitor

CAT 990-2 Comparison of WA700-3 with competitor

Item

Unit

Specification

Bucket capacity (Spade nose) With teeth and Segment Edge

m3 (Yd3)

8.7 (11.4)

8.6 (11.2)

Engine output

HP

641

625

Operating weight

kg

67,200

74,000

Tipping load (Straight travel position)

kg

46,050

45,200

Wheelbase

mm

4,800

4,600

Dumping clearance (with teeth)

mm

4,040

4,045

Brake control

Fully hydraulic

Fully hydraulic

Transmission control

Automatic shifting (OP)

Manual shifting

Hydraulic system

Conventional

Conventional

Lunch box space in cab

Yes

Yes

Operator's seat

Air suspension

Air suspension

Specification

WA-Market Data: Page 13

3) WA800-3 Symbols -

: Superior,

WA800-3 Item

Unit

Bucket capacity (Spade nose, with teeth)

m3 (Yd3)

Engine output

HP

Operating weight

Specification 11.0 (14.4) 12.3 (16.1) G. Purpose

: Equal,

: Inferior to competitor

992D(m/c) Comparison of WA800-3 with competitor

Specification

992G Comparison of WA800-3 with competitor

Specification

10.7 (14.0)

11.5-12.3 (15.0-16.0)

808

710

800

kg

98,300

92,700

92,100

Tipping load (Straight travel position)

kg

57,400

51,200

56,802

Wheelbase

mm

5,450

4,825

Dumping clearance (with teeth)

mm

4,630

4,565

4,630

Brake control

Fully hydraulic

Fully hydraulic

Fully hydraulic

Transmission control

Automatic shifting (OP)

Manual shifting

Manual shifting

Hydraulic system

Conventional

Conventional

Conventional

Lunch box space in cab

Yes

Yes

Yes

Operator's seat

Air suspension

Air suspension

Air suspension

*1

5,890

*1 : Wheel base seems too long to maintain tipping stability while steering.

WA-Market Data: Page 14

4) WA900-3 Symbols -

: Superior,

: Equal,

WA900-3

: Inferior to competitor

992G Comparison of WA800/900 with competitor

Item

Unit

Specification

Bucket capacity (Spade nose, with teeth)

m3 (Yd3)

13.0 (17.0)

11.5-12.3 (15.0-16.0)

Engine output

HP

853

800

Operating weight

kg

101,550

92,100

Tipping load (Straight travel position)

kg

66,140

56,802

Wheelbase

mm

5,450

Dumping clearance (with teeth)

mm

4,640

4,630

Brake control

Fully hydraulic

Fully hydraulic

Transmission control

Automatic shifting (OP) Dual Speed Hyd. System Plus

Manual shifting

Hydraulic Ssystem

*1

Specification

5,890

Conventional

Lunch box space in cab

Yes

Yes

Operator's seat

Air suspension

Air suspension

*1 : Wheel base seems too long to maintain tipping stability while steering.

WA-Market Data: Page 15

7. Sales Strategy (Differentiation in sales of WA800-3 and WA900-3)

New Target dump truck

Alternate machine

Price ratio to CAT: 1:1 Dedicated loading 12.3 m3 bucket (option) attached Contention Price ratio to CAT: 1:1

Current

CAT992D 13 m3 specification

WA-Market Data: Page 16

Product features and product strategy


The sales of the WA800-1 has been directed by emphasizing its merit in hourly production (15% to 20%) over the CAT992D. The CAT has drastically changed the vehicle grade from D to G, but we will continue to emphasize the difference in hourly production with the WA900-3 as opposed to the CAT992G in sales campaign.




Our market strategy has been made up of a combination of 10 m3 class loaders and 80 ton dump trucks. As an alternate machine for the WA800-1 or CAT992D, we will put into the market the WA800-3 which inherits the quality and performance of the WA800.




For the users who do not use the machine for excavation, we will provide the WA800-3 with a 12.3 m3 bucket of the same size as that of the CAT992G for loading work only (option) to confront it with the CAT992G. Model name

Bucket

Use

Price strategy

WA800-3

11m3

Full excavation OK

Price ratio to CAT992D: 1:1

WA800-3

12.3m3 OPT

Loading only

Price ratio to CAT992G: 1:0.9

Full excavation OK

Price ratio to CAT992G: 1:1

WA900-3

3

13m

WA-Market Data: Page 17

7. Release Schedule ( The earliest shipping date)

Model WA600-3 WA700-3

The earliest shipping date February 1998 Have not decided yet

WA800-3

March

1998

WA900-3

April

1998

WA-Market Data: Page 18

WA600: Page 1

Model Change

Description of Product

WA600: Page 2

Relationship between Users' Needs and Design Concept

1. Exc e lle nt Wo rking Pe rfo rmanc e Hig h Pro duc tivity 2. Impro ve d Re liability 3. Lig ht-to uc h Ope ratio ns Attrac tive Ve hic le

Ope rato r Co mfo rt 4. Co mfo rtable Cab 5. Eas y Mainte nanc e 6. Furthe r Impro ve d S afe ty Care fo r Enviro nme nt

7. Harmo ny with Enviro nme nt

WA600: Page 3

F ea tu re s o f W A 60 0- 3

C A R E F O R E N V IR O N ME N T H ar m o n y w i th En v iro n m en t


: N e w in cla ss Ex ce lle n t W or k ing Perf orm a n ce L arg e Bu cket C ap aci ty

C u rrent 5 .6 m 3

WA600- 3 6. 1 m 3

Inc rease of En g ine Po w er

C u rrent 41 5 p s

WA600- 3 44 5 ps


            
             




E ng in e co n fo rm in g to ex ha us t g as reg ula tio n s

Exca vat in g bu cke t t ip an g le cha ng ed f rom 10  t o 14  D u a l H yd r au l ic Sp e e d Sy st e m

C o m f o rt ab l e C a b


C om b in at ion o f larg er h ydra ul ic p u mp a nd


Pil lar-l ess larg e-s ized cab w it h fl at gla ss a nd vi sco us d am pi ng

cu t -o ff va lve re du ce cycle tim e , in crea se p rod u ct ion a nd sa ve f u el







m o u nt s co m f ort ab le a ir su sp en sio n seat L arg e C apac ity Ai r C on d it io ner wi th Pu sh -c on tro l P an el

H IG H PR O D U C T I VIT Y

O P E RATO R CO M FO RT

Im p rove d Re li ab il it y

Ea sy M ai n t en a n ce


F ull y hyd rau lic Brak e Syst em

No n eed t o d rai n, no p ro ble m of f reezin g , n o rust Ex ce lle n t W o rk in g Pe rf o rm a n ce

C o m f o rt ab l e C ab

 D ou b le- cart rid ge typ e a ut o- g rease syst em ( op t)



Jo ystic k St eerin g ( op t) EC SS ( op t)


Au to Sh if t T ran sm is sio n Co nt ro l ( opt )
L SD Axl e ( opt )

WA600: Page 4

       High Productivity


 

    

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WA600: Page 5

     !!      The maximum hinge pin height has been increased by 100 mm and the capacity of the bucket has been changed to increase the dumping clearance and improve the ability to load high. The loading operation is possible not only on 32 ton class dump trucks but also on 40 ton, 46 ton class dump trucks. Comparison in Spade nose bucket with teeth 

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WA600: Page 6

Increase in bucket capacity and strength 1. Spade nose bucket with teeth (1) The bucket capacity has been increased from 5.6m3 to 6.1m3. (2) The side edges have been changed from double-plate type to single-plate type to increase the thickness, thereby improving the wear resistance (13 t + 19 t 32t). (3) The cutting-edge tip angle of the excavating bucket has been changed to improve penetrability of the bucket. (Edge tip angle of excavating bucket changed from 10o to 14o) (4) Use of a bigger plate bet ween teeth allows better grounding of the bucket. Placement of the plate ahead of the base edge has also improved penetrability of the bucket. (5) The wear plates is bolt-on type as is.

2. Straight edge bucket with teeth (1) The bucket capacity has been increased from 5.6m3 to 6.1m3. (2) The side edges have been changed from double-plate type to single-plate type to increase the thickness, thereby improving the wear resistance (13 t + 19 t 32t). WA600: Page 7

Comparison in Spade nose bucket with teeth

Tip angle of excavating bucket 10


Double-plate type side edge

Tip angle of excavating bucket 14
Inter-tooth plate

Side edge of single thick plate

Bolt-on wear plate

WA600: Page 8

Matching Dump Truck and Number of Times of Loading 

Increased bucket capacity facilitates loading on dump trucks. 3-time loading is enough for 32 ton dump trucks. It takes 3-time loading for 40 ton class and 4-time loading for 46 ton class dump trucks. %""

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REMARKS: 1) If the load is crushed stone mixed with sandy soil, 2-time loading is enough. 2) 1.8 ton/m3 material density is used. WA600: Page 9

WA600: Page 10

Engine horsepower and maximum rim pull increased 

The increase in the engine horsepower and the change in the transmission reduction ratio provide increased rim pull for even more powerful thrusting and digging operations.



The engine with a greater capacity provides maximum torque and achieves powerful engine performance while reducing exhaust gas components (clearing the exhaust gas regulations in USA and Europe). It also has better exhaust gas color, and thus it is an engine cleaner than any other engines.

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WA600: Page 11

Dual hydraulic speed system employed The exclusive dual hydraulic speed system ensures shorter cycle time. (1) When digging and scooping, most of the engine power is applied to the wheels, so the digging capacity is increased. (2) The rim pull when scooping up has drastically been increased (32% increase over -1 model), and so even if stepping on the accelerator pedal is relaxed, it is possible to obtain the same excavating performance as or superior to that of the current machine and it also economizes fuel consumption. (3) The boom speed is increased while raising the boom when approaching dump trucks.  To achieve the above,  The size of the loader pump has been increased by 5%.  The engine horsepower has also been increased from 415 ps to 445 ps. Activation of cut-off valve !     <

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WA600: Page 12

Structure and Function of Dual Hydraulic System
  

  

Loader pump




       

 

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WA600: Page 13

WA600 Class Productivity and Fuel Consumption Loading on 32 ton dump trucks (V-shape loading)    !     !  

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The data above is the results of tests conducted indoors and outdoors assuming that work efficiency is 100%. It includes no standby time or incidental work time. Target: Exploded stone Work condition: V-shape loading, 30-sec cycle

WA600: Page 14

WA600 Class Productivity and Fuel Consumption

Item

Hourly production (ton/h)

WA600: Page 15

Fuel consumption (ltr./h)

Production per fuel (ton/ltr.)

WA600: Page 16

V-Shape

Production [ton/h]

Hourly Production -3 vs -1

Cycle time [sec]

WA600: Page 17

V-Shape

[ton/ltr.]

Production per Fuel [ton/ltr.] -3 vs -1

Cycle time [sec]

WA600: Page 18

V-Shape

Fuel consumption [ltr./h]

Fuel Consumption -3 vs -1

Cycle time [sec] WA600: Page 19

Extended Wheel Base and Excellent Vehicle Stability  The wheel base has been extended by 50 mm (2") and weight balance has been reviewed to provide more overall stability. It has the maximum tipping load in the class. Comparison with spade nose bucket with teeth 

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WA600: Page 20

Increased Work Equipment Speed and Rim Pull 

The increased work equipment capacity increases the work speed and facilitates loading work. Increase of engine output and use of a dual hydraulic system can also increase the rim pull.

Comparison of work equipment speed in measured values   6 7  6!!7

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""6  !"" 7$6 7 Two accumulators are used to reduce the low frequency vibration resulting from pitching and bouncing when traveling on rough ground surfaces. 40 to 50% reduction of low frequency vibration can make it possible to provide a comfortable ride for the operator together with excellent travel and steering stability.  Automatic selection of the two accumulators (high pressure, low pressure) by the Komatsu exclusive travel speed sensor and controller allows the machine to display the optimum vibration suppression effect and provide smooth travel both for traveling when loaded and traveling empty for such operations as digging, approaching dump tracks, load and carry operations, and movement between job sites.  The ECSS of the WA300 or higher is provided with a travel speed sensor and controller and displays the optimum vibration suppression effect according to the work and traveling conditions. When the travel speed exceeds 5km/h, the ECSS automatically turns on and when the travel speed slows down below 5 km/h during such operations as digging or approaching dump trucks it automatically turns off, eliminating the necessity of complicated switch operation.

WA600: Page 22

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WA600: Page 23

High Productivity      ! 1  $! 9 

  

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WA600: Page 24

Change to solid state type transmission control switch #   !    !   #     !         ?   $   !!  $  

Solid sate transmission control switch 

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WA600: Page 25

Buffer ring added to hydraulic cylinder Buffer ring has been added to the head side of the fully hydraulic cylinders. This lowers the load the to rod packing and reduces the oil leakage, thereby improving the reliability and durability even further.

WA600: Page 26

Trouble data display for controller employed On the speedometer of the main monitor, the failure codes and action codes can be displayed, so it is possible to carry out troubleshooting quickly. Moreover it is possible to display the failure codes in order of time occurred for the previous 1000 hours (max. 9 items, and older items are deleted in order).

  

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WA600: Page 27

Vehicle monitoring system


      Battery

Joystick steering controller (option) Various relays

Dimmer switch Buzzer

Check lamp Caution lamp      

!   "  ! 

   

Maintenance monitor

            

   

    



     

Various sensors 1. 2. 3. 4.

Fuel amount Engine water level Toque converter oil tem perature Engine water temperature

5. 6. 7. 8.

Engine oil amount Brake oil pressure Engine oil pressure Clogged air cleaner

WA600: Page 28

Hybrid filter employed ( !        $    !       !  6
7  !!       ! !   617 # $   !! 6.7 # $     !! E9 F    !    <   %,&&?     !   !$ 1&&&   $   !   !? ! !    $?$ 1&&&     WA600-1 Current element

WA600-3 Hybrid element

8µ -micro-glass element is used on 1/4 of the entire area.

(External dimensions: φ150 x 300 (L), 3pcs.)

(External dimensions: φ150 x 450 (L), 2pcs.)

WA600: Page 29

Rear frame with gantry hinge structure The hinge pin structure of the rear frame is changed to the gantry structure, improving the rigidity. For the side plate, one thick plate structure provides simple structure. The basic structure is the same as that used in WA700/WA800 which already has good experiences in the past, ensuring sufficient durability even for heavy-duty use.

Gantry hinge structure

Welded box structure

Single thick plate side plate structure WA600: Page 30

Operator Comfort

     .  -  *  

  

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WA600: Page 31

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The control lever length is adjustable, ensuring setting of the lever at desired position. WA600: Page 32




       


                            

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WA600: Page 33

Features of automatic transmission (option) 

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Transmission control valve T/C, T/M


    




    

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Controller

WA600: Page 34

Fully hydraulic steering employed  The fully hydraulic Orbitrol steering has been employed. Compared with the mechanical follow-up steering, the steering operating effort is lighter, and the steering response is excellent, thereby improving the traveling linearity even further. +!

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 Comparison with competitors' machines The 988F2 has adopted steering operating system with the stick lever. Even if a steering angle is large, this system requires small operating stroke, ensuring easy operation. However, since the fine control ability is poor and lever operation is heavy, it is evaluated that operator's wrist gets tired after operation for an extended period of time and that speedy work cannot be performed with this machine. The WA600 provides a joystick steering as an optional item for users who need the lever operating system, which ensures good fine controllability and light operating effort.

WA600: Page 35

Switches centralized in front of operator  The switches can be operated lightly with a fingertip and are aligned on both sides of the main monitor to improve the ease of operation of the switches.



Automatic greasing (opt)



ECSS (opt)



Front working lamp



Rear working lamp



Transmission cut-off



Manual selector (opt) WA600: Page 36

Kick-down switch for fast, powerful loading

z

When carrying out scooping-up operations of soil, it is possible to shift down from F2 to F1 by pressing the kick-down switch at the top of the boom control lever. This makes it possible to carry out powerful scooping operations. After scooping up the load, when the directional lever is shifted from F to R, the gear is automatically returned to 2nd. This means that there is no need to operate the gear shift lever between 2nd and 1st, thus making it possible to carry out digging and loading operations easily.

Kick-down switch

WA600: Page 37

Joystick steering available (option) The joystick steering greatly reduces operator's steering load, achieving high work efficiency. (1) Just moving the joystick left or right makes it possible to operate the steering. (2) Gear changing between forward and reverse can be easily made by just pressing the button at the top of the lever. Automatic gear shifting does not require operation of the transmission control lever. (3) When the manual shifting is selected, gear changing between forward and reverse can be made with the button on the lever. Transmission gear is shifted up and down with two buttons on the boom lever. (4) The joystick lever is built-into the seat and has a mechanism which allows the operator to change the lever position as desired. Left

Right

Adjustable

 Functions of steering, transmission and boom lever switches Item Steering operation Transmission Boom lever switches

Function

c d

Handle steering Auto Manual Hold ----Kick-down Kick-down

Joystick steering Auto Manual Hold Up-shift Kick-down Down-shift

WA600: Page 38

Features of joystick steering

z

The joystick steering system is composed of an electrical circuit (joystick, controller, and joystick ON/OFF switch), a hydraulic circuit (electromagnetic proportional valve, stop valve, and steering valve), and a joystick console (adjustment of joystick position and adjustment of armrest position). WA600: Page 39

Operator Comfort

(Remark: Cab and air conditioner are optional equipment.)

c Pillar-less large-sized cab with flat glass used d Air suspension seat with headrest employed e Tilt-handle employed

Relax operator's posture

f Use of viscous damper for cab mount g Reduction of noise in operator's ears

Less noise and vibration

4. Comfortable Cab

h FM/AM stereo radio cassette with auto tuning employed i Air conditioner with push control employed j Power window used k Cup holder, cool box, and wrist rest with lever adjustment mechanism employed l Large lunch box tray employed

Deluxe accessories

Comfortable interior

: Option

11



12 13

Air conditioning capacit y and blow air volume increase Neat console to give same feeling as in car Rear window roll curtain employed

WA600: Page 40

Large cab with power window (1)

As the cab is designed to be larger, the seat position adjusting range is greatly extended, ensuring sufficient work space even for a large operator. Model

Item Capacity of cab Cross sectional area of cab (hip portion) (2) (3) (4)

m3 m2

KOMATSU WA600-3 WA600-1 3.47 (1) 2.88 (0.83) 2.05 (1) 1.59 (0.78)

CAT 988F2

KAWASAKI KLD115ZA-2

2.76 (0.80) 1.69 (0.82)

2.60 (0.75) 1.55 (0.76)

TCM 890-3

Use of pillar-less large front window greatly improves front visibility. Use of power window makes it possible to easily open and close the door windows by simple switch operation, ensuring easy air ventilation in the cab. Wiper arm operating angle is made larger and wiping area is made wider, ensuring wide clear view even while raining.

Pillar-less

Power window

Model Item Door window open/close system Arm operating angle Wiper blade Blade length

Degree mm

WA600-3

WA600-1

Power window 80° 714

Sash 54° 714

WA600: Page 41

Comparison of fully reclined seat positions WA600-1 Cab

WA600-3 Cab

WA600: Page 42

Neat console to give same feeling as in car The steering column and instrument panel are made of formed plastic to give a rounded design with no protruding parts, thereby achieving a pleasant operating space similar to that in a car.

Model Item Getting on and off operator's seat

KOMATSU WA600-3 WA600-1 Both sides Both sides

CAT 988F2

KAWASAKI KLD115ZA-2

TCM 890-3

Left side only

Both sides

Both sides

WA600: Page 43

Suspension seat with headrest installed A headrest has been added to enable the operator to take up a comfortable position when waiting for a dump truck or when taking a short rest. The reclining angle has also been increased to further improve comfort. Additionally, this deluxe operator's seat is equipped with a lumber support and winding-type seat belt. Furthermore, an air suspension mechanism with excellent vibration absorbing ability provides comfortable feeling during operation. * Weight adjustment of the air suspension seat is easily made using the button switch under the seat.

Headrest

Button switch

Model Item

Operator's seat

Suspension system Headrest Reclining angle (backward tilting angle) Armrest adjustment Lumber support Seat belt Suspension cover

WA600-3

WA600-1

Air system Available 72° Available Available Available Available

Mechanical system Not available 14° Not available Not available Not available Not available

WA600: Page 44

Viscous mount

Low vibration and noise Floor

(1) Floor mount with viscous damper used A viscous damper mount using rubber + silicon oil is employed for the floor mount to reduce the mechanical vibration and noise transmitted from the machine. (2) Add rubber mount to hydraulic equipment Rubber mounts are used for the hydraulic valves and hydraulic piping to reduce the vibration and noise. (3) Air tightness of cab improved Improvement of air tightness of the cab and use of thick glass greatly reduce noise in the cab.

Rubber Frame

Silicon oil

Damper plate

Add rubber mount to Add rubber mount to hydraulic piping hydraulic valve Rubber mount Rubber mount Hydraulic valve

A combination of the three improvements above provides quiet operator's space.

KOMATSU Item WA600-3 WA600-1 Cab mounting system --Viscous mount Rubber mount Pressurizing characteristics in cab mmHg 0.33 0.11 Noise in operator's ears dBA 76 80 Model

Hydraulic piping

CAT 988F2

KAWASAKI KLD115ZA-2

TCM 890-3

Rubber mount

Viscous mount

Rubber mount

*78.5

*: Measured value

WA600: Page 45

Push-control type large capacity air conditioner available A push-control panel is used to make it possible to switch at a touch between the 5 modes for the vent positions, thus enabling the operator to select the desired positions for the air flow. The air flow can also be adjusted in 4 stages to provide a comfortable working space. In addition, the cooling capacity and air flow volume have been increased from Dash 1 to provide an even more pleasant working space. Model Item Air conditioner capacity Air conditioner air flow

Cooling capacity Heating capacity

kcal/h kcal/h m3/h

WA600-3

WA600-1

Compared with Dash 1

4000 5000 550

3800 4000 420

105% 125% 131%

WA600: Page 46

Tiltable steering wheel installed The angle of the steering wheel can be changed simply by operating the level at the right side of the steering wheel column, enabling the operator to set the steering wheel to the desired position. This makes it possible for any operator to set the steering wheel to the optimum position for operation.

Auto-tuning, FM/AM stereo radio with digital clock An auto-tuning FM/AM stereo radio with digital clock and cassette player are available.

Model Item

Radio

Tuning Clock Band Cassette player

WA600-3

WA600-1

Automatic Yes FM (stereo)/AM Yes

Manual No AM No

WA600: Page 47

Deluxe cab interior accessories The cab is equipped with the following accessories to provide more comfortable work space. Model Item Lunch box tray Cool box Cup holder Pocket Door interlocked room lamp Floor mat type

WA600-3

WA600-1

Available Available Available Seat-back pocket Available

Not available Not available Not available Hard pocket Not available

Rear roll curtain

Available (option)

Molded

Remarks

Large lunch box can be stored. Canned juices can be cooled by cool air blown from air conditioner. Can you are drinking can be placed. This pocket is convenient for storage of documents, daily work reports, etc. Room lamp automatically lights up and goes off as the cab door is opened and closed. Cut Floor mat has excellent heat insulation and sound absorbing characteristics, as well as spillage prevention feature. Not available This curtain shuts off the sunlight entering through the rear window. Additionally, the curtain is semi-transmittable, ensuring clear visibility from the cab

Seat-back pocket

Cup holder

Molded floor mat

Cool box Lunch box tray

WA600: Page 48

Operator Comfort

Easy daily inspection/maintenance 5. Easy maintenance

Maintenance free

: Option

c Use of electric type dust indicator d Concentration of remote greasing holes e Provision of large-size tool box f Remote controlled hydraulic fluid tank breather g Radiator grille changed to hinge closing type  h Provision of control monitor i Use of fully hydraulic brake system j Provision of sealed wet-type disc brake  k Provision of double-cartridge type automatic greasing system

WA600: Page 49

Centralized remote-greasing port The remote-greasing port has been centralized to the left side of the center hinge portion to improve the ease of maintenance. S/T cylinder

T/M mount trunnion Rear axle support

Boom pivot Center hinge Pillow block

Boom pivot Center hinge Pillow block S/T cylinder

T/M mount trunnion Rear axle support

WA600: Page 50

z Large tool box employed

z Remote working oil tank breather

z Radiator grill

hinge open/close

Breather

c

Tool box

d

Removing bolts and makes it possible to open and close the rear grill

WA600: Page 51

Fully hydraulic brakes installed z

Two independent fully hydraulic brake lines are used for the brake control system. (1) Use of no air in the brake circuit ensures no dew condensation in the circuit, providing maintenance-free system. (2) Charging time after the engine is started up is reduced to 1/4 of that used in the conventional system, ensuring remarkable reduction of waiting time. (3) Brake pedal depressing force is reduced to approximately 2/3 of that used in the conventional system, ensuring great improvement of fine-operability. Comparison of brake systems Fully hydraulic

KOMATSU

Model Item Brake control system

Air over hydraulic

WA600-3

--- Fully hydraulic system Charging time sec Brake pedal depressing force kg

WA600-1 Air-over hydraulic system

CAT 988F2 Fully hydraulic system

KAWASAKI KLD115ZA-2 Fully hydraulic system

TCM 890-3 Fully hydraulic system

WA600: Page 52

Double-cartridge type automatic greasing available (option) Except for the drive shaft, the preset amount of grease is applied automatically to the periodic pressing points at the set interval by the microcomputer built into the service meter memory. Grease is supplied to the automatic greasing simply by replacing the grease cartridge. Two 1-liter cartridges are used in this system. The WA is the first model in this type of model class, which is equipped with the cartridge system. Grease cartridge

Controller

Model Item Automatic greasing

KOMATSU WA600-3 Available (option) Parallel activation

WA600-1 Available (option) Serial activation

CAT 988F2

KAWASAKI KLD115ZA-2

TCM 890-3

Not available

Not available

Not available

WA600: Page 53

5 Automatic greasing system available (option) z

Except for the drive shaft, the preset amount of grease is applied automatically to the periodic greasing points at the interval set by the microcomputer including the service meter memory. Grease is applied to the automatic greasing system by simply replacing the grease cartridge. This gives the following advantages. (1) The greasing and maintenance work load can be greatly reduced. (2) Wear or other problems around the pins caused by lack of grease or missing to add grease can be prevented. (3) The serviceman does not get his hand or clothing dirty.

Setting items

WA600: Page 54

WA600: Page 55

WA600: Page 56

WA600: Page 57

Operator Comfort High meter visibility 6. Further Improved Safety

c Improved monitor panel visibility (Main monitor and maintenance monitor) d Use of steering column integrated type electronic display panel

Wide visual range

e Large-size pillar-less flat glass cab f Good forward visibility also when raising boom by single Z bar link

Easy to get on or get off the machine Redundant functions

g It is possible to get on or off from both sides of the machine h Wide ladder steps i Use of large-size work equipment safety lock lever j Provision of emergency brake k Attachment of fan net which clears SAE regulations l Standard provision of emergency steering

Protection of operator in case of overturning

11

Standard provision of ROPS

Slip/fall prevention

12

Tooth tip guard provided for handrail Provision of handrail at vehicle rear

13

WA600: Page 58

6. Further Improved Safety

c Improved monitor panel visibility (Main monitor and maintenance monitor) d Use of steering column integrated type electronic display panel

e Large-size pillar-less flat glass cab f Good forward visibility also when

11

Standard provision of ROPS

g It is possible to get on or off from both sides of the machine 13

Provision of handrail at vehicle rear

raising boom by single Z bar link

i Use of large-size work equipment safety lock lever j Provision of emergency brake h Wide ladder steps 12

k Attachment of fan net which clears SAE regulations

l Standard provision of emergency steering

Tooth tip guard provided for handrail WA600: Page 59

Design harmonized with environment

7. Harmony with Environment

Rust resistant external parts

Preventing splash of mud/water

Environmental preservation

c Use of new design d Cationic undercoat and melamine glazed top coat maintain painting quality

e Mud splash prevention cover is provided at front fender

f Use of engine conforming to USA exhaust gas regulations

WA600: Page 60

HARMONY WITH ENVIRONMENT

z

Use of engine which clears the exhaust gas regulations (regulations in USA, Europe) Environment-friendly engine which suppresses NOX, CO, HC, particulate, and other air pollutants to within the strictly regulated range.

z

Innovative external appearance with smart form and coloring A well-balanced and powerful design employing relaxed coloring with gray on a natural yellow base is used together with a curved design for the large cab and fender to give the machine a rounded appearance.

z

Front fender extension covers employed Front fender extension covers have been employed to prevent mud from being thrown up on the machine or being splashed around the machine when it is traveling. This displays its authority in operations where travel is frequent, such as in mud and long-distance traveling.

WA600: Page 61

Rust resistant external parts External parts made of resin, and sheet metal external parts given an undercoat of paint by cationic electrodeposition and a melamine glazed top coat are employed. This improves the finishing quality of the external parts, reduces rust even in severe environment, and maintains the luster of the external surface for a long period. (Paint by cationic electrodeposition was introduced in November 1989. However, for the cab it was introduced in August 1990.)

Resin external parts

c Steering column, d Front grille inside cab e Left console box Main cationic electrodeposition painted parts 1 Cab, 2 Front fender, 3 Front, 4 Right console box 5 Ladder, 6 Rear fender, 7 Side panel, 8 Hood, 9 Rear light support

WA600: Page 62

WA700, WA800, WA900-3 MODEL CHANGE TABLE OF CONTENTS ……………. 

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Relationship between Users' Needs and Design Concept

1. Exc e lle nt Wo rking Pe rfo rmanc e Hig h Pro duc tivity 2. Impro ve d Re liability 3. Lig ht-to uc h Ope ratio ns Attrac tive Ve hic le

Ope rato r Co mfo rt 4. Co mfo rtable Cab 5. Eas y Mainte nanc e 6. Furthe r Impro ve d S afe ty Care fo r Enviro nme nt

7. Harmo ny with Enviro nme nt

Features of WA700-3

CARE FOR ENVIRONMENT Harmony with Environment

: New in class


Electrical control governor engine conforming to exhaust

gas regulation

Excellent Working Performance Large Bucket Capacity

Current 8.5 m3

Developed model 8.7 m3



   

     

(With teeth and segments)

Comfortable Cab


Pillar-less large-sized cab with flat glass and viscous

damping mounts
Comfortable air suspension seat Large Capacity Air Conditioner with Push-control Panel
Light and easy-to-use electric accelerator pedal


HIGH PRODUCTIVITY Improved Reliability

OPERATOR COMFORT Easy Maintenance


Fully hydraulic Brake System

No need to drain, no problem of freezing, no rust

Excellent Working Performance

Comfortable Cab


Light and sensitive fully hydraulic power steering (Orbitrol)
Centromatic type automatic greasing system (opt)
Joystick Steering (opt)
Auto Shift Transmission Control (opt)

Features of WA800-3/WA900-3 : New in class

Large Bucket Capacity WA800 WA900


          
         


Excellent Working Performance Current Developed model 3 10.5 m 11.0 m3 13.0 m3 ( )

Increase of Current Developed Engine Power model WA800 800 ps 820 ps WA900 840 ps 865 ps Excavating bucket tip angle changed from 10 to 14

Comfortable Cab


Pillar-less large-sized cab with flat glass and viscous damping mounts


comfortable air suspension seat


Large Capacity Air Conditioner with Push-control Panel

HIGH PRODUCTIVITY Improved durability
Reinforced bucket

and tooth

OPERATOR COMFORT

Improved Reliability

Easy Maintenance


Fully hydraulic Brake System

No need to drain, no problem of freezing, no rust

+, -

Comfortable Cab


Light and sensitive fully hydraulic power steering (Orbitrol)
Centromatic type automatic greasing system (opt)
Joystick Steering (opt)
Auto Shift Transmission Control (opt)

High Productivity

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WA700-3 Main Specifications Quality characteristics No. Major item

Secondary item

1 General 2 3 4 5

Bucket capacity Rated load Bucket width Operating weight Tire size

6 Engine

Manufacturer Model

Unit Spade nose with teeth

STD

Flywheel horsepower/speed 7 8 Dimensions Overall length (Bucket on ground) Overall height 9 CAB ROPS Wheel base 10 Tread 11 Max. speed (Forward) 12 Travel Max. rim pull 13 Minimum turning radius Tire center 14 15 Loader link Dumping clearance Without teeth With teeth Dumping reach 16 Without teeth With teeth Cycle time 17 Break out force 18 Bucket cylinder (η= 1.0) 19 V-shape hourly production Tipping load 20 Stability Straight 21 Environment Operator noise With cab Standard cab structure 22 Safety Steering system 23 System Service brake system 24 Electric parts 25 Instruments

WA700-3

With SEG 8.7 15660 4330, SW: 4570 67200 40/65-39 36PR L5 −− Komatsu SAA6D170-E 650/2000 ps/rpm 12500 mm 4610 mm 4790 mm 4800 mm 3000 mm 30 km/h 48000 kg 8.1 m 4380 mm 4040 mm 1910 mm 2135 mm 16.7 sec 52700 kg m³ kg mm kg −−

Current

Reference Competitors

WA700-1

CAT990

8.5 15300 4270, SW: 4510 67000 ← Komatsu SA6D170-A ← 12310 ← ← ← ← ← ← ← ← ← ← ← ← ←

8.4 14960 4450 73500 41.25/70-39 34PR L5 CAT 3412TA 634/2000 12595 −− 5080 4600 3050 22.5 48000

With SEG 8.6 15480 ← 74000 ← ← ← ← −− ← ← ← ← (←) Outside tire 8.9

4315 3990 2075(Bare) 2290 15.9 59700

−− 891 m³/h 870 46050 kg 45000 46150 75 db(A) 80 75 − − Large cab + ROPS Cab + ROPS Large cab + ROPS −− Fully hydraulic Follow-up Fully hydraulic −− Fully hydraulic Air-over hydraulic Fully hydraulic −− With diagnosis Without diagnosis With diagnosis

4260 2100 [16.8] 56700 −− 45200 ← ← ← ← ←

Values inside ( ): Estimated Values inside [ ]: Measured VME L480B 9.6 (17280) 4375 81400 ← CUMMINGS VTA28C 629/2100 13490 4750 5005 4625 3025 32 9.5 4570 4345 2030 2280 21.2 56700 −− 48950 84 Cab + ROPS Follow-up ← Without diagnosis

Remarks Increased against competitors Large-size tire available

WA800-3 Main Specifications Quality characteristics No. Major item

Secondary item

1 General 2 3 4 5

Bucket capacity Rated load Bucket width Operating weight Tire size

6 Engine

Manufacturer Model

Spade nose with teeth

STD

Flywheel horsepower/speed 7 8 Dimensions Overall length (Bucket on ground) 9 CAB Overall height RPOS 10 Wheel base 11 Tread 12 Travel Max. speed (Forward) 13 Max. rim pull 14 Minimum turning radius Tire center 15 Loader link Dumping clearance Without teeth With teeth 16 Without teeth Dumping reach With teeth 17 Cycle time 18 Bucket cylinder Break out force (η= 1.0) V-shape hourly production 19 20 Stability Straight Tipping load 21 Environment Operator noise With cab 22 Safety Standard cab structure 23 System Steering system 24 Service brake system 25 Instruments Electric parts

Unit

WA800-3

m³ kg mm kg −−

11.0 19800 4760 98300 40/65-45 46PR( L-5) Komatsu SA12V140 820/2000 13830 5070 5275 5450 3350 28.0 60000 9.2 5010 4630 2150 2385 18.8 69000

−− ps/rpm mm mm mm mm mm km/h kg m mm mm mm mm sec kg

Current WA800-2 10.5 18900 ← 96450 ← ← ← 800/2000 13650 ← ← ← ← ← ← ← 5005 4625 2110 2345 ← ←

910 m³/h 870 57400 kg 54800 75 db(A) 80 − − Large cab + ROPS Cab + ROPS −− Fully hydraulic Follow-up −− Fully hydraulic Air-over hydraulic −− With diagnosis Without diagnosis

Competitors of WA800 Reference CAT992D CAT992zG WA900-3 Spade nose Spade nose Spade nose Remarks (with teeth and segment) (with teeth and segment) (with teeth and segment) Values inside [ ]: Measured 10.7 12.3 13.0 Values inside ( ): Estimated 19260 22140 23400 4750 4825 4760 92700 92100 101550 45/65-45 45/65-45 45/65-45 46PR (L5) 58PR (L-5) 38PR (L-5) CAT Komatsu CAT 3508B SA12V140 3412 811/1750 865/2000 720/2200 13400 15590 14500 [5170] 5070 5490 5590 5275 4825 5890 5450 3300 3300 3350 21.0 20.2 28.0 50000 (60000) 60000 (9.3) (9.3) 9.2 4760 5003 5020 4565 4630 4640 2260 1699 2215 2420 2300 2450 18.5 [19.0] 15.9 18.8 64200 62413 67900 (755) 51200 (80) Cab + ROPS Fully hydraulic Fully hydraulic With diagnosis

(868) 56802 75 Large cab + ROPS Fully hydraulic Fully hydraulic With diagnosis

1050 66140 75 Large cab + ROPS Fully hydraulic Fully hydraulic With diagnosis

Normal use (45-sec cycle)

WA900-3 Main Specifications Quality characteristics No. Major item

Secondary item

1 General 2 3 4 5

Bucket capacity Rated load Bucket width Operating weight Tire size

6 Engine

Manufacturer Model

Spade nose with teeth

STD

Flywheel horsepower/speed Overall length (Bucket on ground) CAB Overall height RPOS Wheel base 10 Tread 11 Max. speed (Forward) 12 Travel Max. rim pull 13 Minimum turning radius Tire center 14 Without teeth 15 Loader link Dumping clearance With teeth Without teeth Dumping reach 16 With teeth Cycle time 17 Bucket cylinder Break out force 18 ( η = 1.0) V-shape hourly production 19 Straight Tipping load 20 Stability With cab 21 Environment Operator noise Standard cab structure 22 Safety Steering system 23 System Service brake system 24 Instruments Electric parts 25 7 8 Dimensions 9

Unit m³ kg mm kg −− −− ps/rpm mm mm mm mm mm km/h kg m mm mm mm mm sec kg

WA900-3 13.0 23400 4760 101550 45/65-45 58PR (L-5) Komatsu SA12V140 865/2000 14500 5070 5275 5450 3350 28.0 60000 9.2 5020 4640 2215 2450 18.8 67900

Current WA900-1 ← ← ← 100450 ← ← ← 840/2000 14415 ← ← ← ← ← ← ← ← ← 2100 2335 ← 62100

m³/h ← 1050 kg ← 66140 db(A) 80 75 − − Large cab + ROPS Cab + ROPS −− ← Fully hydraulic −− Fully hydraulic Air-over hydraulic −− With diagnosis Without diagnosis

Competitors of WA900 CA992D CA992G Spade nose Spade nose Remarks (with teeth and segment) (with teeth and segment) 10.7 12.3 Values inside [ ]: Measured 19260 22140 Values inside ( ): Estimated 4750 4825 92700 92100 45/65-45 45/65-45 38PR (L-5) 46PR (L5) CAT CAT 3412 3508B 720/2200 811/1750 13400 15590 [5170] 5490 5590 4825 5890 3300 3300 21.0 20.2 61000 (60000) (9.3) (9.3) 4760 5003 4565 4630 2260 1699 2420 2300 18.5 [19.0] 15.9 64200 62413 (755) 51200 (80) Cab + ROPS Fully hydraulic Fully hydraulic With diagnosis

(868) 56802 75 Large cab + ROPS Fully hydraulic Fully hydraulic With diagnosis

Normal use (45-sec cycle)

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Matching Dump Truck and Number of Times of Loading DUMP TRUCK LINE-UP CLASS KOMATSU

32 ton

40 ton

46 ton

60 ton

80 ton

HD325

HD405

HD465

HD605

HD785 HD785m/c HD985

KOMATSU (KA) CAT

769D

771D

90 ton

100 ton

300 ton

730E

830E

930E

530M

630E

777D

785B

789B

773D

775D

777C

BUCKET m

4

4

5

WA700-3

8.7

4

4

5

WA8002

10.5

3

4

5

5

6

11.0

3

3

4

5

6

STD Hi-Lift

10.0

STOCK PILE

12.3

WA900-1 WA900-3

240 ton

330M m/c

8.5

WA900-3

190 to 200 ton

330M

WA700-1

WA800-3

170 ton

3

MODEL

WA800-3

150 ton

STD Hi-Lift

6 3

3

4

4

5

13.0

4

4

5

13.0

4

4

5

11.5

5

: BEST MATCH

: MATCH 3

7

6

: POSSIBLE

REMARKS: 1.8 ton/m material density is used.

793B

MATCHING WA700-3 WITH DUMP TRUCK

WA700-3 WA700-3 (LARGE TIRE)

WA700-3(EDGE) WA700-3 (TEETH) (TEETH) HD785-3 (LARGE TIRE) VESSEL WIDTH 5010 HD785-3 VESSEL WIDTH 5010 HD605-5 VESSEL WIDTH 4170 HD465-5 (LARGE TIRE) VESSEL WIDTH 4170 HD465-5 VESSEL WIDTH 4170

(TEETH)

HD465-5 VESSEL HEIGHT 3500

HD465-5 (LARGE TIRE) VESSEL HEIGHT 3580

HD785-3 VESSEL HEIGHT 4140

HD605-5 VESSEL HEIGHT 3860

4040

HD785-3 (LARGE TIRE) VESSEL HEIGHT 4225

WA700-3 (EDGE) WA700-3 (TEETH)

4380

(LARGE TIRE)

(EDGE)

WA800-3(EDGE) (EDGE)

WA800-3

WA800-3 (TEETH)

HD985-3 VESSEL WIDTH 5620 HD785-5 VEHICLE VESSEL WIDTH 5210 HD785-3 (LARGE TIRE) VESSEL WIDTH 5010 HD785-3 VESSEL WIDTH 5010

(TEETH)

WA800-3(TEETH) WA800-3(TEETH)

HD985-3 VESSEL HEIGHT 4565 HD785-5 VEHICLE VESSEL HEIGHT 4285 HD785-3 (LARGE TIRE) VESSEL HEIGHT 4225 HD785-3 VESSEL HEIGHT 4140

Side extension board

WA800-3(EDGE)

MATCHING WA 800-3WITH DUMP TRUCK

(EDGE)

WA900-3 (EDGE)

WA900-3

WA900-3

(EDGE) (EDGE)

WA900-3

WA900-3 (TEETH)

HD985-3 VESSEL WIDTH 5620 HD785-5 (LARGE TIRE) VESSEL WIDTH 5010 HD785-3 VESSEL WIDTH 5010

(TEETH)

(TEETH)

WA800-3(TEETH)

HD985-3 VESSEL HEIGHT 4565 HD785-5 (LARGE TIRE) VESSEL HEIGHT 4225 HD785-3 VESSEL HEIGHT 4140

Side extension board

MATCHING WA900-3 WITH DUMP TRUCK

68&29 $ ! &2 528 ?446 7'+22824 28& 6' 8
@ WA900-3

530M VESSEL HEIGHT 4965 HD985-3 VESSEL HEIGHT 4565

WA900-3

530M VESSEL WIDTH 5705 HD985-3 VESSEL WIDTH 5620

Increased engine horsepower 

With the increased engine horsepower and low-speed torque, the WA800-3 and WA900-3 have an improved engine response, providing much more powerful penetration and digging.



Using the electronic control governor, the WA700-3 reduces exhaust gas components (clearing the exhaust gas regulations in USA and Europe).  



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+    )  ) ) . .) *$/ 1 7 )  . <)  - <.         ;   $ .(    . )    .        (  ) .;           .     (         :        .       . - ;   .        (  ) .     .,..;     .      ) .: ! 8 .(  .   ;   .   (                 ) 

PRODUCTIVITY

High Productivity

5     - : 2.(
 )

+ )  

 .         

      ) )  +   ) )   )        .     )    )   
 -    2   .  <.

A  .   ) .    

Change to solid state type transmission control switch 8   .        .  ) )     ): 8  .          ) ) -           . ;   ) .(    )   ) (  :

Solid sate transmission control switch 

8   .            )       2         .   :



8  .       .     .   (;   .(     (  : 8   2           2        :    ( *; ;
; 1 ; ; !; % /     .   .            (    (  :



    (  ;   . .( )  (    2          *:# ../

   .                       2;                .   ((   .- ) :

Buffer ring added to hydraulic cylinder Buffer ring has been added to the head side of the hydraulic cylinders. This lowers the load the to rod packing and reduces the oil leakage, thereby improving the reliability and durability even further.

Trouble data display for controller employed On the speedometer of the main monitor, the failure codes and action codes can be displayed, so it is possible to carry out troubleshooting quickly. Moreover it is possible to display the failure codes in order of time occurred for the previous 1000 hours (max. 9 items, and older items are deleted in order).    

  )  ) .

6    )

 )  

.

      ;           A     

B  . )    .     ;    ):    . .;  .         )  ) . . : :    ;        .     )   )         B :  8  .              C     .    :

Hybrid filter employed     )      -     .(.     )  )    )   *1/ 2     . )     )  : */ 8  (     -   ,: *!/ 8  (      .  ,: B
.- C  .  -  . <   #;     .  -    ()    : +(     )     ;  )       . ( ; ()    : Current element

Hybrid element

8-micro-glass element is used on 1/3 of the entire area.

WA700-1: (External dimensions: 150  300 (L), 3 pcs.) WA800-1: (External dimensions: 150  300 (L), 4 pcs.)

WA700-3: (External dimensions: 178  450 (L), 2 pcs.) WA800-3, WA900-3: (External dimensions: 150  450 (L), 3 pcs.)

WA800-3 WA900-3 Improvement of Pin & Bushing Durability Increased diameter of A: pins of the bucket hinge, B: pins in front of and behind the bucket link improves the durability of pins and bush. B. Pin size up 160 to 180 (Contact stress decrease 13%)

A. Pin size up 160 to 180 (Contact stress decrease 13%)

C. Pin size up 160 to 180 Bushing width up (Contact stress decrease 33%)

WA800-3 WA900-3 Improvement of tooth adapter durability To cope with problems of breakage of the adapter neck, cracking on the welded part observed sometimes at work sites under harsh conditions such as swiveling diagonal collision digging, excavating and handling huge rocks, the size of the tooth adapter and the thickness of the cutting edge plate have been increased to improve the durability.

(Current)

Broken at the neck (single breakage by lateral load)

Crack on welded part (Stress concentrated on the welded part of the cutting edge tip which had a large displacement producing fatigue failure)

(New)

Displacement at cutting Neck reinforced edge tip 0.46 times (FEM) 1.8 times

Stress at welded part 0.55 times (FEM) (Fatigue life approx. 10 times ...the 4th power law)

Operator Comfort

5    !: 5  

4

+ ) 

: Option

     ((  '' - <.  + )  .   ( *

 D . .  ./    ) )  .)  7  E      .  .  .)  F) -  - <. (  --  

+ )  .   (   An electrical type transmission control lever is installed which can be operated lightly while still holding the knob on the steering wheel. With this system, shifting gear and changing between forward and reverse can be carried out with the touch of a finger, so the operator is not tired even when carrying out frequent operations over a long period.

The control lever length is adjustable, ensuring setting of the lever at desired position. 

Comparison with competitors' machines (CAT990-II, CAT992D, CAT992G) 8   E 8 .               - (          : 8 ;         (;   .       .(  

 .   (: 9    .       (;    (  .(.  .       : &(;   )  ()  ;  ) -;   < <  ;   ;    .)  :

Features of automatic transmission (option) 

 .  .           (     .:     (  (  *(   
'6/;     .)     . : 7   .  .    <       )   (;        (     ,   .

4   .  .  *1/ 8    * .  (  ; ( ;  /      : */ 8   (    ;   . 

     (    ;          .   ((: *!/      .  (( (    .   ;        .  :

Transmission control valve T/C, T/M

Controller

    




    


 (   --    # !  $ !   9       !   .  1   1  *,/    *,/  → 1  !   ! *. /8    1   %   % *. /      1 -." 


    

.  .    

Fully hydraulic steering employed 

The low-input type fully hydraulic Orbitrol steering has been employed. Compared with the mechanical follow-up steering, the steering operating effort is lighter, and the steering response is excellent, thereby improving the traveling linearity even further. 6

2. 7 ) 7  

-

7   7  * / +    ( +    (



(WA700-3 to WA900-3)

 

@4687

76 $$

WA800-3 WA900-3

# 1

$ 1

# ! F) -

Fully hydraulic

6 

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1.1

1: 1:%

1: 1:%

: *5(/

!:0 *5(/

4.5

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4.7 6.3

:$ %:#

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Comparison with competitors' machines 8  $$     ) .    - (: +(      ;   ) . < .  -;    ) : &(;       )    (   ();   (            ,   .    ) -   .    . : 8    $ (  D) -     .         (  ) .;        )     :

S w itc h e s c e n tra lize d in fro n t o f o p e ra to r  T h e sw itc h es c an b e o p erated lig h tly w ith a fin g ertip an d a re alig n ed o n b o th sid es o f th e m a in m o n ito r to im p ro v e th e ease o f o p eratio n o f th e sw itch es .



Automatic greasing (opt)



ECSS (opt)



Front working lamp



Rear working lamp



Transmission cut-off



Manual selector (opt)

Kick-down switch for fast, powerful loading  When carrying out scooping-up operations of soil, it is possible to shift down from F2 to F1 by pressing the kick-down switch at the top of the boom control lever. This makes it possible to carry out powerful scooping operations. After scooping up the load, when the directional lever is shifted from F to R, the gear is automatically returned to 2nd. This means that there is no need to operate the gear shift lever between 2nd and 1st, thus making it possible to carry out digging and loading operations easily.

Kick-down switch

Joystick steering available (option) 8  D) -  )    ;  (  - ): *1/ F  .(   D) -     .-         : */ 9      (     ) . ) D              (: .     <      .   (: *!/     .   ;       (    .        (: 8 .              . (: *%/ 8  D) - (          .  .            (     : Left

Right

Adjustable

  ;  .   . (   2. 7  8 .  ?. (    

 &   6 & @-  @- 

F) -   6 &   @-   

Features of joystick steering

 The joystick steering system is composed of an electrical circuit (joystick, controller, and joystick ON/OFF switch), a hydraulic circuit (electromagnetic proportional valve, stop valve, and steering valve), and a joystick console (adjustment of joystick position and adjustment of armrest position).

Operator Comfort

%: .  


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  )    (.       ( .    
    .)

Large cab with power window (1)

As the cab is designed to be larger, the seat position adjusting range is greatly extended, ensuring sufficient work space even for a large operator. Model

Item Capacity of cab Cross sectional area of cab (hip portion) (2) (3) (4)

Common to WA600-3 to WA900-3

m3 m2

KOMATSU WA600-3 WA600-1 3.47 (1) 2.88 (0.83) 2.05 (1) 1.59 (0.78)

SCM 988F2

KAWAJU KLD115ZA-2

2.76 (0.80) 1.69 (0.82)

2.60 (0.75) 1.55 (0.76)

TCM 890-3

Use of pillar-less large front window greatly improves front visibility. Use of power window makes it possible to easily open and close the door windows by simple switch operation, ensuring easy air ventilation in the cab. Wiper arm operating angle is made larger and wiping area is made wider, ensuring wide clear view even while raining.

Pillar-less

Power window

Model Item Door window open/close system Arm operating angle Wiper blade Blade length

Degree mm

WA600-3

WA600-1

Power window 80
714

Sash 54
714

Comparison of fully reclined seat positions

3 1 

Common to WA600-3 to WA900-3

3 ! 

Neat console to give same feeling as in car

Common to WA600-3 to WA900-3

The steering column and instrument panel are made of formed plastic to give a rounded design with no protruding parts, thereby achieving a pleasant operating space similar to that in a car.

6 2. 9     

@4687 3 ! 3 1 ?  ? 

76 $##

@F @5110G 

86 #$ !

5  )

? 

? 

Suspension seat with headrest installed

Common to WA600-3 to WA900-3

             -   .         . -    -    : 8             .( .: );   ,    <   .     )  :  .;      .  .  , (      ) ( .    : H   D .           ) .          :

Headrest

Button switch

Model Item

Operator's seat

Suspension system Headrest Reclining angle (backward tilting angle) Armrest adjustment Lumber support Seat belt Suspension cover

WA600-3

WA600-1

Air system Available 72
Available Available Available Available

Mechanical system Not available 14
Not available Not available Not available Not available

Viscous mount

Low vibration and noise *1/  .  (  .    (  . .   

 I    .)     .     .  (      . .   . : */  

 .  ) <.


 .       ) (( 

)      (    : *!/      .( 2.(.              -  )        :  .       .(.  ( ( <  :

Floor Rubber Frame

Damper plate

Silicon oil

Add rubber mount to Add rubber mount to hydraulic piping hydraulic valve Rubber mount Rubber mount Hydraulic valve Hydraulic piping WA700-3

@4687 6  !  1 2. # ! # 1 $ ! $ 1  . ) . A  .


 . ' E      ..& :!! :11      ? 0 #

76

76

76

$$ 22

$$

$$9




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0

#

0

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MODEL CHANGE

'  )  )   (  Common to WA600-3 to WA900-3 A push-control panel is used to make it possible to switch at a touch between the 5 modes for the vent positions, thus enabling the operator to select the desired positions for the air flow. The air flow can also be adjusted in 4 stages to provide a comfortable working space. In addition, the cooling capacity and air flow volume have been increased from Dash 1 to provide an even more pleasant working space. 6

2.   )    

 ) & )

-"

-"

.
"

3 !

3 1

.   1

% 0 00

!# % %

10J 10J 1!1J

8       Common to WA600-3 to WA900-3 8             .) )    (             .;                   : 8  .-      )            ..    :

 ; 6"6        6"6     -    )  ( :

6

2.


8 ?   )

3 !

3 1

. K 6 * /"6 K

6  6 

Deluxe cab interior accessories Common to WA600-3 to WA900-3 The cab is equipped with the following accessories to provide more comfortable work space. 6

2. 5 , )  ,   '-  - . .  . )
  

3 !

3 1

(  (  (  7 - - ( 

 (   (   (  & -  ( 


.-

5  ,   :  D    )    .  :  )  -   : 8  -  (    . ; ) -  ; :
. . .)                : 6   .  ,            ;     ( : (  */  (  8               : );     .  . ;    (  ) .   


 

Cup holder Cool box Lunch box tray

Molded floor mat

Operator Comfort

+ ) )  " .

0: + ) 6

6  : Option

     )   *# !; $ !/  '.  "           -     7  . ) .    8"6         )       .      '(    E  ,
        )

5   .   "  

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. )   *#"$ !/  +(     )     

'(    .








   ) ) - ) . '(     )   - '(   . ) .   ) .

Use of large capacity engine oil pan

(WA800-3, WA900-3)

Quantity of engine oil pan oil 90 --> 132 liters Oil replacement interval Full flow filter replacement interval Bypass filter replacement interval

250 --> 500 hours 250 --> 500 hours 250 --> 500 hours

Replacement time is reduced by half, making it possible to reduce maintenance cost.

Current machine WA800-3/WA900-3

Fully hydraulic brakes installed(WA700-3 to WA900-3)  8  ) ) -        -   ) .: *1/         -           ; ( .  ) .: */   .            1"!  1"%         ( ) .;   .-     .: *!/ ?-        ,.) "!         ( ) .;    .(.    ): .   - ) . Fully hydraulic

2. ?-  ) .   . ?-    

6

Air over hydraulic

@4687 # ! $ !

# 1 $ 1

8 $$

8 $$9

) ) ) .  ( ) ) .) ) ) . ) ) ) . #3 !# *+9 5/  # 1! *+9 &/ -  $

Control monitor available (option) A control monitor with display and printer is available as an optional item. Use of the control monitor makes it possible to easily check the vehicle control items (general inspection, maintenance control, and fault diagnosis) using the color display, ensuring safe work. Using the fault diagnostic function, electrical circuits other than those used in the control system are checked. (Fault diagnosis of the control system is made using the main monitor.) Operating data (run-hour and production) can be displayed and printed out, ensuring easy control of production and creation of daily work reports. Additionally, the display can be used as a television set during break.

System diagram

Operator Comfort 3:   2.( 7)

& . (  )

 2.( .  (  ) *6 .  . ./      .  )   ) 

 (  

 5 E       9  (  )       . )  G  -

+ )         . 

  .         '(    .   


 





'       ( 7" (

11

12 13

    E - <. ) - ( '(   .) -  .       7+  7 (   .)  7 (  
4'7 8   (   '(          

6. Further Improved Safety 11

 2.( .  (  ) *6 .  . ./      .  )   )   5 E       9  (  )       . )  G  -

    E - <. ) - (

'(   .) - 12

8   (  

7 (  
4'7   .         '(    .    13

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HARMONY WITH ENVIRONMENT  Use of engine which clears the exhaust gas regulations (regulations in USA, Europe) Environment-friendly engine which suppresses NOX, CO, HC, particulate, and other air pollutants to within the strictly regulated range. (WA700-3)  Innovative external appearance with smart form and coloring A well-balanced and powerful design employing relaxed coloring with gray on a natural yellow base is used together with a curved design for the large cab and fender to give the machine a rounded appearance.  Provision of mud splash prevention cover at lower part of rear access steps An extension cover is provided at the lower part of the rear access steps to prevent mud from splashing around and against the vehicle, proving to be effective for work involving long traveling.

Rust resistant external parts +,  .   ;   . ,  (     )      .. E    .): 8  .(     <)    ,  ;    (  ( (.;  .        ,     : *' )       (.  1$#$: &(;           1$$:/

Resin external parts  7 .;        5   ,

Main cationic electrodeposition painted parts 1  ; 2  ; 3 ; 4
    , 5 5; 6
 ; 7 7 ; 8 &; 9
   





 


  

   

   

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WA600/900-3 Question & Answer Session: Questions fielded by Mr. Nozawa – Design Manager, and Mr. Tagawa – Product Planning Dept.

1.

Q. Is the WA800-3 full turn static tipping load greater than the CAT 992G? A. I don’t know off hand, but that information is probably in your handout material.

2.

Q. Has the main hydraulic control valve on the WA600-3 changed? A. Yes, but only the boom spool.

3.

Q. Can we still add service valves? A. Yes, it is a monoblock design, just like the WA600-1.

4.

Q. Can you tell us the specific changes to the control valve? A. Yes, the boom spool itself was modified for greater flow.

5.

Q. Can we fit the WD600-3 differential pinion gear on the WA600-3? A. The differential is the same as the WA600-1.

6.

Q. Thank you for supplying the emission levels for the WA600-1, but we also need this information for all the other machines as well. We need this information even if the machines are not emissionized. A. We will provide the information later.

7.

Q. How popular is the Limited Slip Differential option on the WA600-3 going to be? A. We’re not really sure, but it is almost required in Europe.

8.

Q. Does the WA600-3 use a conventional or torque proportioning differential? A. It uses a conventional differential.

9.

Q. Which machines use torque proportioning differentials as standard. A. WA450 & smaller.

10.

Q. Could you go through the development of changes to the WA600 hydraulic pumps all the way to the current situation.? A. See attachment.

11.

Q. Could you tell us what changes have been made to the water pump on the 6D170 engine. A. That information was released in a Parts & Service news, but we will provide it. See attachment.

12.

Q. Has there been any change to the procedure to install the T/M reverse gear roll pin? A. See attachment.

13.

Q. Can you give us any information on the abnormal wear of the differential spider shaft on the WA700-1? A. See attachment.

14.

Q. Can you provide us with the serial number break for smaller machines which had the ECSS with the boom down prevention function installed? A. See attachment. END

WA 600/900-3 Customer Requests/Comments: 1.

We would very much like noise, vibration, and emission levels to be included as standard in the machine specifications for the entire product line. In many cases, we are not allowed to sell a machine without this data. END

Replies to your questions: (WA600-3 WA900-3)

1. Water Pump on WA600-3 (6D170 engine) Please refer to Service News (BT 97039) July 28, 97 2. T/M reverse gear roll pin. No improvement is implemented. however, In the past assembly instruction to avoid pin damage due to miss alignment was issued. please refer to assembly instruction (refer assembly instruction A890288) 3. Diff. spider shaft on WA700-3. Now CETC2 is surveying the cause of abnormal wear. So far no action is taken. 4. Emission data of WA700-3, WA800-3 and WA900-3. Emission data of WA700-3 is available.( see attached table) Emission data of WA800-3 and WA900-3 is available. but expected emission level of these 2 models will be available by Nov. 97. 5. Spectator sound level. See page 4/11. 6. Serial number brake for ECSS with protection. WA320-3 WA380-3 WA420-3 WA470-3

boom

down

New system will be incorporated from March 1998 production. s/n 53071 and up New system will be incorporated from March 1998 production. s/n 53001 and up

not

WA600-3 Emission Data

Nox HC CO Particulate

g/hph g/hph g/hph g/hph

WA600-3 SA6D170 6.01 0.17 0.6 0.23

WA700-3 Emission Levels WA700-3 SAA6D170E g/kWh g/hph Nox measured 7.84 5.85 Spec 9.2 6.86 HC measured 0.32 0.24 Spec 1.3 0.97 CO measured 1.84 1.37 Spec 11.4 8.5 Particulate measured 0.284 0.21 Spec 0.54 0.4

EPA Regulations 6.9 1 8.5 0.4

Estimated emission level on WA800-3 and WA900-3 Because of there is no emission regulation exist for above 560kW today, We do not have a plan to measure emission level for these models, however, estimated emission level was presented from Komatsu Component Center as follows:

(Unit : g/hp*h) NOx

THC

CO

PM

SA12V140 for WA800-3

12.9

0.49

0.60

0.22

SA12V140 for WA900-3

12.7

0.46

0.62

0.21

Changes made to WA600 hydraulic pumps: 1. Pump SAR 250
SAR 125 + 125
SAR 140 + 125 / Endurance equal /

2.

Hydraulic Tank Aeration was bad on old WA 600-1 It was improved 2 ways: 1. 2. 3. 4.

Pressurized Hydraulic Tank Changed oil flow inside hyd. Tank Added buffer ring on all cylinders Hydraulic tank breather location changed. Breather was remote mounted to decrease the possibility of clogging by dust and dirt. 5. Increased aeration of hydraulic tank by increasing air volume inside tank and reviewing plate location inside. 6. Hybrid hydraulic filter used. Other Options: Install high pressure inline strainer.