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

FeatureKomatsu D31P-20DozerKomatsu D31P-20AEDozer
TypeCrawler DozerCrawler Dozer
Horsepower52.2 kW52.9 kW
Operating Weight6195.0 kg6930.0 kg
Engine ManufacturerKomatsuKomatsu
Engine ModelS4D102ES4D102E-1-A
Net Power52.2 kW—
AspirationTurbocharged—
Displacement3900.1 cc3921.4 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticHydrostatic
Number of Forward Gears33
Number of Reverse Gears33
Max Speed Forward6.6 km/h—
Max Speed Reverse7.2 km/h—
Ground Pressure0.2 bar—
Fuel Capacity115.1 l—
Engine Oil Capacity14.0 l—
Cooling System Capacity22.3 l—
Final Drives Capacity9.8 l—
Pump typeGear type—
Relief Valve Pressure172.0 bar—
Track Gauge146.3 cm167.6 cm
Ground Contact Area66600.5 cm³—
No of Shoes Per Side41—
No of Track Rollers Per Side66
Shoe Size60.2 cm60.2 cm
Weight (Operating)6195.0 kg6930.0 kg
Gross Power—52.9 kW
Number of Cylinders—4
Cab Height—274.3 cm
Width Over Track—225.6 cm
Length Overall—396.2 cm
Length without Blade—304.8 cm
Length of Track on Ground—219.5 cm
Ground Clearance—39.6 cm
Track Pitch—15.5 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