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Komatsu D21S-5 vs. Komatsu D31S-17 Crawler loaders Comparison

Compare available technical data for Loaders. Find the right details to make your decision easier.

Comparison

Highlight differences

Komatsu D21Q Crawler loaders

Komatsu D31P Crawler loaders

Loader
Breakout force 3,569.78 kg
Breakout force 6,400.2 kg
Years 1979-1988
Years 1993-2002
Market Average AED 75,000
Market Average AED 120,000
Price AED 19,500
Price AED 40,000
General
Bucket capacity 0.46 cu m
Bucket capacity 0.84 cu m
Displacement 2,933.29 cu cm
Displacement 4,326.19 cu cm
Engine model 4D94
Engine model 4D105-5
Loader dump height 2.13 m
Loader dump height 2.56 m
Loader dump reach 0.76 m
Loader dump reach 0.85 m
Max speed forward 4.51 kph
Max speed forward 6.6 kph
Operating weight 3,830 kg
Operating weight 6,700 kg
Tipping load 2,231 kg
Tipping load 4,259 kg
Service refill capacities
Cooling fluid cap 13.25 liter
Cooling fluid cap 22.33 liter
Fuel cap 60.18 liter
Fuel cap 115.06 liter
Dimensions
Ground clearance 0.34 m
Ground clearance -
Height - top of cab 2.16 m
Height - top of cab 2.68 m
Length with bucket 3.57 m
Length with bucket 4.15 m
Width over tracks 1.62 m
Width over tracks 1.8 m
Undercarriage
Ground pressure 0.37 bar
Ground pressure 0.53 bar
Number of track rollers per side 5
Number of track rollers per side 5
Track gauge 1.31 m
Track gauge 1.45 m
Track length 1.71 m
Track length 1.89 m
Track width 30.23 cm
Track width 33.02 cm
Engine
Net power 29.08 kw
Net power 49.22 kw

Performance

Looking at performance technical specs and key features the Komatsu D21S-5 Crawler loaders excels in terms of engine power at and operating weight compared to other models like the Komatsu D31S-17 Crawler loaders.

User rating

Owners operators and fleet managers recommend the Komatsu D21S-5 Crawler loaders for its high reliability and endurance in diverse applications. The same can be said about the Komatsu D31S-17 Crawler loaders.

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build datetime: 7/6/2026, 12:00:29 PM