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

FeatureCaterpillar D3BDozerKomatsu D31A-17Dozer
TypeCrawler DozerCrawler Dozer
Horsepower48.5 kW49.2 kW
Operating Weight6877.0 kg5121.1 kg
Pump Flow55.3 LPM—
Engine ManufacturerCaterpillarKomatsu
Engine Model32044 D105-5
Net Power48.5 kW—
AspirationNaturally—
Number of Cylinders4—
Displacement5201.3 cc4326.2 cc
Power Measured RPM2400 RPM—
Alternator Supplied Amp.40 A—
Alternator40 A—
Battery12 V—
Transmission TypePlanetary powershiftPlanetary Gear
Number of Forward Gears33
Number of Reverse Gears33
Max Speed Forward10.6 km/h6.6 km/h
Max Speed Reverse11.4 km/h7.2 km/h
Fuel Capacity114.3 l115.1 l
Engine Oil Capacity12.1 l—
Cooling System Capacity20.1 l22.3 l
Hydraulic Capacity70.0 l—
Final Drives Capacity8.3 l—
Hydraulic Pump Flow55.3 LPM—
Relief Valve Pressure172.4 bar—
Cab Height268.2 cm271.3 cm
Width Over Track179.8 cm185.9 cm
Length Overall368.8 cm—
Length without Blade277.4 cm286.5 cm
Length of Track on Ground182.9 cm189.0 cm
Track Gauge143.3 cm146.3 cm
Ground Clearance33.5 cm—
Ground Contact Area28195.6 cm³—
No of Shoes Per Side36—
No of Track Rollers Per Side55
Shoe Size30.5 cm33.0 cm
Weight (Operating)6877.0 kg5121.1 kg
Gross Power—49.2 kW
Ground Pressure—0.4 bar
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