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

FeatureJohn Deere 450DDozerKomatsu D31PL-20EDozer
TypeCrawler DozerCrawler Dozer
Horsepower50.0 kW52.9 kW
Operating Weight6531.7 kg7190.0 kg
Pump Flow64.7 LPM—
Engine ManufacturerJohn DeereKomatsu
Engine Model300 SeriesS4D102E-1-A
Net Power50.0 kW—
AspirationTurbocharged—
Number of Cylinders44
Displacement3588.8 cc3921.4 cc
Max Torque257.6 N-m—
Power Measured RPM2500 RPM2350 RPM
Torque Measured RPM1400 RPM—
Battery12 V—
Transmission TypeHydrostaticHydrostatic
Number of Forward Gears43
Number of Reverse Gears43
Fuel Capacity117.3 l—
Engine Oil Capacity8.7 l—
Cooling System Capacity15.1 l—
Hydraulic Capacity26.5 l—
Final Drives Capacity6.1 l—
Pump typeOpen center—
Hydraulic Pump Flow64.7 LPM—
Relief Valve Pressure137.9 bar—
Width Over Track228.6 cm295.7 cm
Weight (Operating)6531.7 kg7190.0 kg
Gross Power—52.9 kW
Cab Height—274.3 cm
Length Overall—390.1 cm
Length without Blade—304.8 cm
Length of Track on Ground—219.5 cm
Track Gauge—192.0 cm
Ground Clearance—39.6 cm
No of Track Rollers Per Side—6
Shoe Size—105.2 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