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

FeatureKomatsu D41A-3DozerKomatsu D40A-3Dozer
TypeCrawler DozerCrawler Dozer
Horsepower69.4 kW69.4 kW
Operating Weight9800.0 kg9800.0 kg
Engine ManufacturerKomatsuKomatsu
Engine Model6 D105-16 D105-1
Gross Power69.4 kW69.4 kW
Number of Cylinders66
Displacement6490.9 cc6490.9 cc
Power Measured RPM2350 RPM2350 RPM
Transmission TypeHydrostaticDirect Drive
Number of Forward Gears35
Number of Reverse Gears34
Max Speed Forward7.7 km/h8.9 km/h
Max Speed Reverse10.9 km/h8.0 km/h
Ground Pressure0.5 bar0.5 bar
Fuel Capacity245.3 l245.3 l
Cooling System Capacity33.3 l33.3 l
Cab Height280.4 cm280.4 cm
Width Over Track195.1 cm195.1 cm
Length Overall426.7 cm426.7 cm
Length without Blade341.4 cm341.4 cm
Length of Track on Ground207.3 cm207.3 cm
Track Gauge155.4 cm155.4 cm
Ground Clearance36.6 cm36.6 cm
No of Carrier Rollers Per Side11
No of Shoes Per Side3737
No of Track Rollers Per Side55
Shoe Size40.1 cm40.1 cm
Weight (Operating)9800.0 kg9800.0 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