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Komatsu D21A-8E0 Crawler Dozer

The Komatsu D21A-8E0 Crawler Dozer is a compact and efficient machine designed for a variety of earthmoving tasks. With its powerful 43.3 hp engine and operating weight of 8179.2 lbs, this dozer offers excellent performance and maneuverability. Equipped with a 4D94LE-2 engine and featuring dimensions such as a ground clearance of 1.2 ft and a height of 5.9 ft, the D21A-8E0 is a versatile and reliable choice for construction projects.


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General Specifications

Dimensions

Ground Clearance1 ft (0 m)
Height - Top of Cab6 ft (2 m)
Length w/ Blade11 ft (3 m)

Engine

Displacement186 cu in (3,048 cu cm)
Engine Model4D94LE-2
Gross Power43 hp (32 kw)
Max Torque128 lbs ft (174 nm)
Number of Cylinders4
Power Measured @2450 rpm
Torque Measured @1300 rpm

Operating Specifications

Cooling System Fluid Capacity3 gal (10 l)
Engine Oil Capacity2 gal (7 l)
Final Drives Fluid Capacity2 gal (6 l)
Fuel Capacity16 gal (60 l)
Hydraulic Fluid Capacity6 gal (21 l)
Operating Weight8,179 lbs (3,710 kg)

Transmission

Max Speed - Forward3 mph (4 kph)
Max Speed - Reverse4 mph (6 kph)
Number of Forward Gears2
Number of Reverse Gears2

Undercarriage

Ground Contact Area1,570 cu in (25,728 cu cm)
Ground Pressure4.5 psi
Number of Carrier Rollers per Side1
Number of Shoes per Side37
Number of Track Rollers per Side5
Standard Shoe Size12 in (30 cm)