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

FeatureJohn Deere 550H LGPDozerKomatsu D37PX-21 KOMSTAT IIDozer
TypeCrawler DozerCrawler Dozer
Horsepower62.6 kW63.4 kW
Operating Weight7937.9 kg6309.5 kg
Pump Flow56.8 LPM—
Engine ManufacturerJohn DeereKomatsu
Engine Model4045 TSAA4D102E-2
Net Power62.6 kW63.4 kW
AspirationTurbochargedTurbocharged with aftercooled
Number of Cylinders44
Displacement4522.8 cc3932.9 cc
Max Torque374.2 N-m—
Power Measured RPM2200 RPM—
Torque Measured RPM1200 RPM—
Alternator Supplied Amp.65 A—
Alternator65 A—
Battery12 V—
Transmission TypeDual Power ShiftDual Power Shift
Max Speed Forward8.0 km/h8.5 km/h
Max Speed Reverse8.0 km/h8.5 km/h
Ground Pressure0.3 bar0.3 bar
Fuel Capacity177.9 l165.0 l
Engine Oil Capacity14.0 l12.5 l
Cooling System Capacity16.3 l26.9 l
Hydraulic Capacity32.2 l46.9 l
Final Drives Capacity6.8 l3.4 l
Pump typeGear type—
Hydraulic Pump Flow56.8 LPM—
Relief Valve Pressure206.8 bar206.2 bar
Cab Height274.3 cm271.3 cm
Width Over Track237.7 cm228.6 cm
Length without Blade405.4 cm—
Length of Track on Ground219.5 cm225.6 cm
Ground Clearance36.6 cm39.6 cm
Ground Contact Area67645.9 cm³68334.2 cm³
No of Shoes Per Side4041
No of Track Rollers Per Side66
Shoe Size61.0 cm61.0 cm
Weight (Operating)7937.9 kg6309.5 kg
Track Pitch16.0 cm165.1 cm
Number of Forward Gears—3
Number of Reverse Gears—3
Length Overall—402.3 cm
Track Gauge—167.6 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