Komatsu D21A-3 Crawler dozers research

Komatsu D21A-3 Crawler dozers Technical specifications
General
Engine model
4D92-1
Operating weight
3,430 kg
Blade capacity
0.76 m3
Max speed forward
6.92 kph
Operational specifications
Drive type
HS
Blade width
2 mm
Engine
Displacement
2605 cu cm
Gross power
27.59 kw
Number of cylinders
4
Dimensions
Length with blade
3.47 m
Length without blade
2.47 m
Blade height
0.57 mm
Ground clearance
0.34 m
Width over tracks
1.55 m
Undercarriage
Number of shoes per side
37
Track pitch
13.72 cm
Tracks length
1 m
Ground pressure
0.29 bar
Number of track rollers per side
5
Track width
30.23 cm
Track gauge
1.22 m
Service refill capacities
Cooling fluid cap
14 liters
Fuel cap
60.18 liters
Transmission
Max speed reverse
6.44 kph
Number of reverse gears
3
Number of forward gears
3
Download datasheets
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