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Responsive Operation:

A single joystick on the left controls all speed and directional
changes including:
• 1st to 2nd
• Forward and reverse
• Right and left steering

A single joystick on the right controls all blade functions
including:

• Lifting
• Angling
• Tilting

This left and right joystick system offers unparalleled control
for shorter cycle times.

1

2

1

2

LH

F

N

RH

LH

R

RH

N

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

-8E0

W

ALK-

A

ROUND

Single-lever Steering/Speed/
Directional Change:

All the directional changes are carried out with single lever,
ensuring smooth turn and superior productivity.

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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