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

FeatureKomatsu D355A-1DozerCaterpillar D9RDozer
TypeCrawler DozerCrawler Dozer
Horsepower305.7 kW305.7 kW
Operating Weight44410.0 kg49567.0 kg
Engine ManufacturerKomatsuCaterpillar
Engine ModelSA6D155-4A3408 ETA
Gross Power305.7 kW305.7 kW
AspirationTurbocharged—
Displacement19261.4 cc18001.2 cc
Power Measured RPM2000 RPM1900 RPM
Transmission TypeTorqflowPowerShift
Number of Forward Gears43
Number of Reverse Gears43
Max Speed Forward12.7 km/h11.9 km/h
Max Speed Reverse12.7 km/h14.6 km/h
Ground Pressure0.9 bar1.1 bar
Cooling System Capacity170.3 l—
Cab Height381.0 cm384.0 cm
Width Over Track304.8 cm295.7 cm
Length Overall871.7 cm719.3 cm
Length without Blade560.8 cm518.2 cm
Length of Track on Ground338.3 cm347.5 cm
Track Gauge228.6 cm225.6 cm
Ground Clearance57.9 cm61.0 cm
No of Carrier Rollers Per Side2—
No of Shoes Per Side39—
No of Track Rollers Per Side78
Shoe Size61.2 cm61.2 cm
Weight (Operating)44410.0 kg49567.0 kg
Track Pitch26.2 cm—
Number of Cylinders—8
Battery—24 V
Fuel Capacity—817.6 l
Engine Oil Capacity—45.4 l
Hydraulic Capacity—71.9 l
Final Drives Capacity—18.9 l
Ground Contact Area—107646.9 cm³
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