Komatsu D21A-7E Dozer

Contents

Dimensions
Undercarriage
Engine Details
Operational Specs
Transmission
Standard Blade

Dimensions

Length W/ Blade	11.16 ft in (3400 mm)
Width Over Tracks	5.29 ft in (1610 mm)
Height To Top Of Cab	8.13 ft in (2475 mm)
Length Of Track On Ground	5.53 ft in (1685 mm)
Ground Clearance	0.97 ft in (295 mm)
Length W/O Blade	8.4 ft in (2560 mm)

Undercarriage

Track Gauge	4.3 ft in (1310 mm)
Standard Shoe Size	11.82 in (300 mm)
Number Of Track Rollers Per Side	5
Track Pitch	5.32 in (135 mm)

Engine Details

Number Of Cylinders	4
Engine Make	Komatsu
Engine Model	4D94E
Gross Power	40 hp (29.9 kw)
Power Measured @	2450 rpm
Displacement	169.4 cu in (2.8 L)

Operational Specs

Operating Weight

8113 lb (3680 kg)

Transmission

Transmission Type	HS
Number Of Forward Gears	2
Number Of Reverse Gears	2

Standard Blade

Width	7.2 ft in (2170 mm)
Height	23.3 in (590 mm)

Ask a question