Komatsu D21A-7 vs. Cat D7E WH Crawler dozers Comparison
Compare available technical data for Bulldozers. Find the right details to make your decision easier.
Comparison
Highlight differences
Blade height
Blade height 0.59 m
Blade height -
Ground clearance
Ground clearance 0.3 m
Ground clearance 0.49 m
Height - top of cab
Height - top of cab 2.5 m
Height - top of cab -
Length with blade
Length with blade 3.41 m
Length with blade -
Length without blade
Length without blade 2.56 m
Length without blade -
Width over tracks
Width over tracks 1.62 m
Width over tracks -
Years
Years 1972-1979
Years 2009-2017
Market Average
Market Average AED 120,000
Market Average AED 1,100,000
Price
Price AED 70,000
Price AED 900,000
Blade width
Blade width 2.19 m
Blade width -
Displacement
Displacement 2,690.76 cu cm
Displacement 9,291.49 cu cm
Drive type
Drive type Hydrostatic
Drive type -
Engine model
Engine model 4D95S
Engine model C9.3 ACERT
Operating weight
Operating weight 3,600 kg
Operating weight 28,819 kg
Gross power
Gross power 29.83 kw
Gross power -
Number of cylinders
Number of cylinders 4
Number of cylinders -
Power measured @
Power measured @ 2,450 rpm
Power measured @ -
Bore
Bore -
Bore 11.43 cm
Stroke
Stroke -
Stroke 14.99 cm
Number of forward gears
Number of forward gears 2
Number of forward gears -
Number of reverse gears
Number of reverse gears 2
Number of reverse gears -
Number of track rollers per side
Number of track rollers per side 5
Number of track rollers per side -
Track gauge
Track gauge 1.31 m
Track gauge 2.29 m
Track length
Track length 1.71 m
Track length -
Track pitch
Track pitch 13.72 cm
Track pitch -
Track width
Track width 30.23 cm
Track width -
Ground pressure
Ground pressure -
Ground pressure 0.44 bar
Cooling fluid cap
Cooling fluid cap -
Cooling fluid cap 85.16 liter
Fuel cap
Fuel cap -
Fuel cap 429.6 liter
Hydraulic fluid cap
Hydraulic fluid cap -
Hydraulic fluid cap 75.7 liter
Performance
Looking at performance technical specs and key features the Komatsu D21A-7 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D7E WH Crawler dozers.
User rating
Owners operators and fleet managers recommend the Komatsu D21A-7 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D7E WH Crawler dozers.
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Featured technical specs & reviews. Valuable insights.
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