Komatsu D21A-3 Dozer

Dimensions

Ground Clearance 1 ft (0 m)
Height – Top of Cab 7 ft (2 m)
Length of Track on Ground 6 ft (2 m)
Length w/ Blade 11 ft (3 m)
Length w/o Blade 8 ft (2 m)
Width Over Tracks 5 ft (2 m)

Engine

Displacement 159 cu in (2,606 cu cm)
Engine Model 4D92-1
Gross Power 37 hp (28 kw)
Number of Cylinders 4
Power Measured @ 2450 rpm

Operating Specifications

Cooling System Fluid Capacity 4 gal (14 l)
Fuel Capacity 16 gal (60 l)
Operating Weight 7,562 lbs (3,430 kg)

Standard Blade

Capacity 1 cu yd (1 cu m)
Height 22 in (57 cm)
Width 8 ft (2 m)

Transmission

Max Speed – Forward 4 mph (7 kph)
Max Speed – Reverse 4 mph (6 kph)
Number of Forward Gears 3
Number of Reverse Gears 3
Transmission Type HS

Undercarriage

Ground Pressure 4.2 psi
Number of Shoes per Side 37
Number of Track Rollers per Side 5
Standard Shoe Size 12 in (30 cm)
Track Gauge 4 ft (1 m)
Track Pitch 5 in (14 cm)
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