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

FeatureKomatsu D45A-1DozerKomatsu D50A-15Dozer
TypeCrawler DozerCrawler Dozer
Horsepower67.1 kW67.1 kW
Operating Weight9550.0 kg11455.0 kg
Engine ManufacturerKomatsuKomatsu
Engine ModelS4D105-1S4D120
Gross Power67.1 kW67.1 kW
Number of Cylinders44
Displacement3980.4 cc7241.5 cc
Power Measured RPM2400 RPM1750 RPM
Transmission TypeTorqflowDirect Drive
Number of Forward Gears34
Number of Reverse Gears33
Max Speed Forward9.0 km/h9.5 km/h
Max Speed Reverse10.9 km/h8.0 km/h
Ground Pressure0.5 bar0.5 bar
Fuel Capacity210.1 l240.4 l
Cooling System Capacity43.2 l42.0 l
Cab Height262.1 cm268.2 cm
Width Over Track195.1 cm207.3 cm
Length Overall426.7 cm466.3 cm
Length without Blade329.2 cm356.6 cm
Length of Track on Ground207.3 cm222.5 cm
Track Gauge155.4 cm161.5 cm
Ground Clearance36.6 cm36.6 cm
No of Carrier Rollers Per Side12
No of Shoes Per Side3739
No of Track Rollers Per Side55
Shoe Size40.1 cm40.1 cm
Weight (Operating)9550.0 kg11455.0 kg
Track Pitch17.5 cm17.5 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