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D21A -8E0 / D21P -8E0

D21A -8E0 / D21P -8E0
6Pages

Catalog excerpts

HORSEPOWER 32.4 kW 43.4 HP @ 2450 rpm OPERATING WEIGHT D21A-8E0: 3710 kg 8,180 lb D21P-8E0: 4100 kg 9,040 lb CRAWLER DOZER Photo may include optional equipment.

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WALK-AROUND 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. Down Angle Single-lever Steering/Speed/ Directional Change: All the directional changes are carried out with single lever, ensuring smooth turn and superior productivity. Easy-to-see Instrument Panel: Ergonomically arranged...

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CRAWLER DOZER Fuel-efficient 4D94LE-2 Engine: The Komatsu 4D94LE-2 features a direct-injection fuel system. Intake air is swirled into the combustion chamber where it is mixed with injected, atomized fuel, providing optimum combustion. This fuel system not only contributes to greater power and fuel savings, but also insures reduced noise and cleaner exhaust. A cushion mounted engine reduces noise and vibration. Efficient HYDROSHIFT Transmission: The D21-8E0 is equipped with Komatsu's unique HYDROSHIFT transmission, assuring smooth gear shifts, powerful traction and low fuel consumption. It...

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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...

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SPECIFICATIONS 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 . . . . ....

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CRAWLER DOZER D21A-8E0 (equipped with power-angle-tiltdozer) D21P-8E0 (equipped with power-angle-tiltdozer) DOZER EQUIPMENT Use of high-tensile-strength steel in moldboard extended service. Hydraulic hoses for blade angling and tilting are covered with steel plates and protected from damage. Power-angle-tiltdozer Overall Length With dozer Blade length x height Max. lift above ground Max. drop below ground Additional weight Hydraulic control unit *(L: Blade length) x (H: Blade height)2

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