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Komatsu

D21A-7

Crawler Dozer

Operating Weight
7,937 lb
Gross Power
40.0 hp
All crawler dozers
Komatsu D21A-7 Crawler Dozer
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Specifications

21 data points

Operating Specifications

Operating Specifications specifications
Operating Weight7,937 lb

Engine

Engine specifications
Engine Model4D95S
Displacement164 in³
Power Measured @2,450 rpm
Gross Power40.0 hp
Number of Cylinders4

Dimensions

Dimensions specifications
Ground Clearance12 in
Height - Top of Cab98 in
Length of Track on Ground67 in
Width Over Tracks64 in
Length w/ Blade134 in
Length w/o Blade101 in

Transmission

Transmission specifications
Transmission TypeHS
Number of Forward Gears2
Number of Reverse Gears2

Undercarriage

Undercarriage specifications
Track Gauge52 in
Number of Track Rollers per Side5
Standard Shoe Size12 in
Track Pitch5 in

Standard Blade

Standard Blade specifications
Width86 in
Height23 in

Comparable machines

Other crawler dozers in a similar weight class.