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SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureKomatsu D31PLL-17DozerKomatsu D31PL-20EDozer
TypeCrawler DozerCrawler Dozer
Horsepower50.7 kW52.9 kW
Operating Weight7550.0 kg7190.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model4 D105-5S4D102E-1-A
Gross Power50.7 kW52.9 kW
Number of Cylinders44
Displacement4331.1 cc3921.4 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticHydrostatic
Number of Forward Gears33
Number of Reverse Gears33
Cab Height271.3 cm274.3 cm
Width Over Track295.7 cm295.7 cm
Length Overall426.7 cm390.1 cm
Length of Track on Ground259.1 cm219.5 cm
Track Gauge192.0 cm192.0 cm
Ground Clearance39.6 cm39.6 cm
No of Carrier Rollers Per Side2—
No of Shoes Per Side46—
No of Track Rollers Per Side86
Shoe Size105.2 cm105.2 cm
Weight (Operating)7550.0 kg7190.0 kg
Track Pitch15.5 cm—
Length without Blade—304.8 cm
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051