Komatsu D21PL-7 vs. Cat D8K Crawler dozers Comparison
Compare available technical data for Bulldozers. Find the right details to make your decision easier.
Comparison
Highlight differences
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Blade height
Blade height 0.59 m
Blade height -
Ground clearance
Ground clearance 0.37 m
Ground clearance 0.46 m
Height - top of cab
Height - top of cab 2.5 m
Height - top of cab 3.41 m
Length with blade
Length with blade 3.47 m
Length with blade 6.58 m
Length without blade
Length without blade 2.65 m
Length without blade 5.27 m
Width over tracks
Width over tracks 2.19 m
Width over tracks 2.8 m
Years
Years 1972-1979
Years 2018-2024
Market Average
Market Average AED 120,000
Market Average AED 1,510,000
Price
Price AED 70,000
Price AED 1,375,000
Blade width
Blade width 2.5 m
Blade width 4.05 m
Displacement
Displacement 2,690.76 cu cm
Displacement 20,400.3 cm3
Drive type
Drive type Hydrostatic
Drive type Powershift
Engine model
Engine model 4D95S
Engine model D342
Operating weight
Operating weight 4,080 kg
Operating weight 31,980 kg
Engine power
Engine power -
Engine power 300 hp
Blade capacity
Blade capacity -
Blade capacity 11 cu m
Max speed forward
Max speed forward -
Max speed forward 10.94 kph
Operating voltage
Operating voltage -
Operating voltage 24 V
Max torque
Max torque -
Max torque 1,400 Nm
Gross power
Gross power 29.83 kw
Gross power 235 kw
Number of cylinders
Number of cylinders 4
Number of cylinders 6
Power measured @
Power measured @ 2,450 rpm
Power measured @ 2,000 rpm
Aspiration
Aspiration -
Aspiration Turbo
Torque measured @
Torque measured @ -
Torque measured @ 2,100 rpm
Alternator supplied amperage
Alternator supplied amperage -
Alternator supplied amperage 120 Amh
Net power
Net power -
Net power 223.71 kw
Bore
Bore -
Bore 110 cm
Stroke
Stroke -
Stroke 90 cm
Number of forward gears
Number of forward gears 2
Number of forward gears 3
Number of reverse gears
Number of reverse gears 2
Number of reverse gears 3
Max speed reverse
Max speed reverse -
Max speed reverse 13.52 kph
Number of track rollers per side
Number of track rollers per side 6
Number of track rollers per side 5
Track gauge
Track gauge 1.49 m
Track gauge 2.13 m
Track length
Track length 1.83 m
Track length -
Track pitch
Track pitch 13.72 cm
Track pitch -
Track width
Track width 70.1 cm
Track width 56.13 mm
Ground contact area
Ground contact area -
Ground contact area 89,409.66 cu cm
Ground pressure
Ground pressure -
Ground pressure 0.88 bar
Fuel cap
Fuel cap -
Fuel cap 640.04 liter
Performance
Looking at performance technical specs and key features the Komatsu D21PL-7 Crawler dozers excels in terms of engine power at and operating weight compared to other models like the Cat D8K Crawler dozers.
User rating
Owners operators and fleet managers recommend the Komatsu D21PL-7 Crawler dozers for its high reliability and endurance in diverse applications. The same can be said about the Cat D8K Crawler dozers.
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Featured technical specs & reviews. Valuable insights.
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