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

FeatureKomatsu D37PX-21 KOMSTAT IIDozerKomatsu D37EX-21 KOMSTAT IIDozer
TypeCrawler DozerCrawler Dozer
Horsepower63.4 kW63.4 kW
Operating Weight6309.5 kg6010.1 kg
Engine ManufacturerKomatsuKomatsu
Engine ModelSAA4D102E-2SAA4D102E-2
Net Power63.4 kW63.4 kW
AspirationTurbocharged with aftercooledTurbocharged with aftercooled
Number of Cylinders44
Displacement3932.9 cc3932.9 cc
Transmission TypeDual Power ShiftDual Power Shift
Number of Forward Gears33
Number of Reverse Gears33
Max Speed Forward8.5 km/h8.5 km/h
Max Speed Reverse8.5 km/h8.5 km/h
Ground Pressure0.3 bar0.4 bar
Fuel Capacity165.0 l165.0 l
Engine Oil Capacity12.5 l12.5 l
Cooling System Capacity26.9 l26.9 l
Hydraulic Capacity46.9 l46.9 l
Final Drives Capacity3.4 l3.4 l
Relief Valve Pressure206.2 bar206.2 bar
Cab Height271.3 cm271.3 cm
Width Over Track228.6 cm185.9 cm
Length Overall402.3 cm402.3 cm
Length of Track on Ground225.6 cm225.6 cm
Track Gauge167.6 cm146.3 cm
Ground Clearance39.6 cm39.6 cm
Ground Contact Area68334.2 cm³45474.2 cm³
No of Shoes Per Side4141
No of Track Rollers Per Side66
Shoe Size61.0 cm40.6 cm
Weight (Operating)6309.5 kg6010.1 kg
Track Pitch165.1 cm144.8 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