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

FeatureKomatsu D41A-5ADozerKomatsu D40A-3Dozer
TypeCrawler DozerCrawler Dozer
Horsepower70.8 kW69.4 kW
Operating Weight10600.0 kg9800.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model6 D105-16 D105-1
Gross Power70.8 kW69.4 kW
Number of Cylinders66
Displacement6500.8 cc6490.9 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticDirect Drive
Number of Forward Gears35
Number of Reverse Gears34
Cab Height280.4 cm280.4 cm
Width Over Track216.4 cm195.1 cm
Length Overall448.1 cm426.7 cm
Length without Blade341.4 cm341.4 cm
Length of Track on Ground225.6 cm207.3 cm
Track Gauge176.8 cm155.4 cm
Ground Clearance36.6 cm36.6 cm
No of Carrier Rollers Per Side11
No of Shoes Per Side3937
No of Track Rollers Per Side65
Shoe Size40.1 cm40.1 cm
Weight (Operating)10600.0 kg9800.0 kg
Track Pitch17.5 cm17.5 cm
Max Speed Forward—8.9 km/h
Max Speed Reverse—8.0 km/h
Ground Pressure—0.5 bar
Fuel Capacity—245.3 l
Cooling System Capacity—33.3 l
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