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Komatsu

D21A-8E0

Crawler Dozer

Operating Weight
8,179 lb
Max Speed - Forward
2.7 mph
Gross Power
43.3 hp
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Komatsu D21A-8E0 Crawler Dozer
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Specifications

26 data points

Operating Specifications

Operating Specifications specifications
Operating Weight8,179 lb
Fuel Capacity15.9 gal
Cooling System Fluid Capacity2.7 gal
Final Drives Fluid Capacity1.6 gal
Engine Oil Capacity1.8 gal
Hydraulic Fluid Capacity5.6 gal

Engine

Engine specifications
Engine Model4D94LE-2
Displacement186 in³
Power Measured @2,450 rpm
Gross Power43.3 hp
Number of Cylinders4
Torque Measured @1,300 rpm
Max Torque128 lb-ft

Dimensions

Dimensions specifications
Ground Clearance15 in
Height - Top of Cab71 in
Length w/ Blade128 in

Transmission

Transmission specifications
Max Speed - Forward2.7 mph
Max Speed - Reverse3.5 mph
Number of Forward Gears2
Number of Reverse Gears2

Undercarriage

Undercarriage specifications
Ground Pressure5 psi
Number of Track Rollers per Side5
Number of Shoes per Side37
Number of Carrier Rollers per Side1
Standard Shoe Size12 in
Ground Contact Area1,570 in³

Comparable machines

Other crawler dozers in a similar weight class.