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

FeatureKomatsu D31PL-16DozerKomatsu D31PLL-17Dozer
TypeCrawler DozerCrawler Dozer
Horsepower47.0 kW50.7 kW
Operating Weight7050.0 kg7550.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model4 D105-34 D105-5
Gross Power47.0 kW50.7 kW
Number of Cylinders44
Displacement4331.1 cc4331.1 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticHydrostatic
Number of Forward Gears33
Number of Reverse Gears33
Cab Height262.1 cm271.3 cm
Width Over Track295.7 cm295.7 cm
Length Overall390.1 cm426.7 cm
Length without Blade304.8 cm—
Length of Track on Ground219.5 cm259.1 cm
Track Gauge192.0 cm192.0 cm
Ground Clearance39.6 cm39.6 cm
No of Shoes Per Side4146
No of Track Rollers Per Side68
Shoe Size105.2 cm105.2 cm
Weight (Operating)7050.0 kg7550.0 kg
Track Pitch15.5 cm15.5 cm
No of Carrier Rollers Per Side—2
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