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Optional shoes

Model

Type of shoe

*Additional weight

Ground contact area

*Additional ground

pressure (tractor)

340 mm

13.4" single-

+32 kg

11460 cm

2

-0.03 kg/cm

2

grouser shoe

+71 lb

1,780 sq.in

-0.43 psi  -2.9 kPa

300 mm

11.8" single-

-30 kg

10110 cm

2

0

D21A-8E0

grouser shoe with hole

-66 lb

1,570 sq.in

300 mm

11.8" triple-

+81 kg

10110 cm

2

+0.01 kg/cm

2

grouser shoe with hole

+179 lb

1,570 sq.in

+0.14 psi + 1.0 kPa

300 mm

11.8" flat

+8 kg

10110 cm

2

0

shoe with hole

+18 lb

1,570 sq.in

510 mm

20.1" single-

-73 kg

17190 cm

2

0

D21P-8E0

grouser shoe

-161 lb

2,664 sq.in

300 mm

11.8" flat

-250 kg

10110 cm

2

+0.12 kg/cm

2

shoe with hole

-551 lb

1,570 sq.in

+1.7 psi + 1.8 kPa

*Addition to tractor.

OPTIONAL EQUIPMENT

*ROPS cab and ROPS canopy meet ISO 3471, SAE J/ISO 3471 ROPS standards.

STANDARD EQUIPMENT

300 mm

11.8" single-grouser shoes (D21A-8E0),

510 mm

20.1" circular-arc shoes (D21P-8E0)

Hydraulic track adjusters

12 V, 40 A alternator

12 V, 2.3 kW electric starting motor

End track guiding guards

Inching pedal

Dry-type, interconnected steering clutches

and brakes

In-line radiator cores

Dry-type air cleaner with automatic dust 

evacuator and dust indicator lamp

12 V, 64 Ah (5 hrs rate capacity) batteries

5-roller track frames

Lighting system 

(including 2 front and 1 rear lights)

Blower fan

Muffler

Adjustable operator's seat

Crankcase guard

Single-lever steering

Single-lever hydraulic control

CEN00305-00

Materials and specifications are subject to change without notice.

is a trademark of Komatsu Ltd. Japan.

www.Komatsu.com

Printed in Japan 200801 IP.As(10)

ROPS cab* (except machines for USA)

Front pull hook

Swing drawbar

Hitch type drawbar

Pre-cleaner

Perforated radiator mask

F3-R3 Transmission

Oil-suspension seat

Track-roller guards, full length

Lubricated track links

Backup alarm

Vandalism protection locks

Tool kit and ordinary spare parts

ROPS canopy*

Summary of Contents for D21A-8E0

Page 1: ...C RAWLER D OZER HORSEPOWER 32 4 kW 43 4 HP 2450 rpm OPERATING WEIGHT D21A 8E0 3710kg 8 180 lb D21P 8E0 4100kg 9 040 lb Photo may include optional equipment D21A 8E0 D21P 8E0 ...

Page 2: ... Up Tilt Tilt Down Float Angle Easy to see Instrument Panel Ergonomically arranged meters and lamps make it easier to check the machine condition In addition fuel meter and dust indicator lamp installed on the panel for easy servicing Walk through Operator s Compartment The operator s compartment has a complete walk through design making for easy getting on and off C R A W L E R D O Z E R D21A P 8...

Page 3: ...rations on slopes easy In addition the machine can travel over soft ground easily and it can escape from muddy areas without problem Simplified Maintenance Spin on type filters are used throughout the machine making it easy to replace filter elements Air cleaner with automatic evacuator extends cleaning interval of the air cleaner Automatic De airation System with Electric Feed Pump Ejects air in ...

Page 4: ... 510 mm 20 1 circular arc shoes D21P 8E0 Hydraulic track adjusters 12 V 40 A alternator 12 V 2 3 kW electric starting motor End track guiding guards Inching pedal Dry type interconnected steering clutches and brakes In line radiator cores Dry type air cleaner with automatic dust evacuator and dust indicator lamp 12 V 64 Ah 5 hrs rate capacity batteries 5 roller track frames Lighting system includi...

Page 5: ...and right Hydraulic cylinders Double acting piston type Number of cylinders Bore Blade lift 2 70 mm 2 76 Blade tilt 1 80 mm 3 15 Blade angling 2 70 mm 2 76 ENGINE Model Komatsu 4D94LE 2 Type Water cooled diesel Aspiration Naturally aspirated Number of cylinders 4 Bore 94 mm 3 70 Stroke 110 mm 4 33 Piston displacement 3 053 ltr 186 in3 Net flywheel horsepower SAE J1349 32 4 kW 43 4 HP 2450 rpm DIN ...

Page 6: ...m damage Power angle tiltdozer Overall Blade capacity Blade Max lift Max drop Max tilt Additional weight Additional Length SAE LH 2 length x height above below adjustment Blade Hydraulic ground With dozer ground ground control unit pressure 3250 mm 0 57 m3 0 76 m3 2170 mm x 590 mm 790 mm 385 mm 250 mm 480 kg 70 kg 0 054 kg cm2 D21A 8E0 0 77 psi 10 8 0 75 cu yd 0 99 cu yd 7 1 x 1 11 2 7 1 3 9 8 1 0...

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