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

FeatureKomatsu D155AX-3EDozerCaterpillar D8RDozer
TypeCrawler DozerCrawler Dozer
Horsepower228.2 kW244.6 kW
Operating Weight38500.0 kg33497.8 kg
Engine ManufacturerKomatsuCaterpillar
Engine ModelSA6D140E-23406 C
Gross Power228.2 kW244.6 kW
Number of Cylinders66
Displacement15241.6 cc14633.7 cc
Power Measured RPM1900 RPM2100 RPM
Transmission TypeFull power shiftPowerShift
Number of Forward GearsNSV3
Number of Reverse GearsNSV3
Cab Height350.5 cm350.5 cm
Width Over Track271.3 cm265.2 cm
Length Overall816.9 cm640.1 cm
Length without Blade499.9 cm457.2 cm
Length of Track on Ground323.1 cm323.1 cm
Track Gauge210.3 cm210.3 cm
Ground Clearance51.8 cm54.9 cm
No of Carrier Rollers Per Side2—
No of Track Rollers Per Side68
Shoe Size56.1 cm56.1 cm
Weight (Operating)38500.0 kg33497.8 kg
Pump Flow—300.2 LPM
Net Power—227.4 kW
Aspiration—Turbocharged with aftercooled
Alternator Supplied Amp.—50 A
Alternator—50 A
Battery—24 V
Max Speed Forward—10.8 km/h
Max Speed Reverse—13.8 km/h
Ground Pressure—0.9 bar
Fuel Capacity—625.3 l
Engine Oil Capacity—32.6 l
Cooling System Capacity—92.4 l
Hydraulic Capacity—72.3 l
Final Drives Capacity—14.0 l
Pump type—Piston
Hydraulic Pump Flow—300.2 LPM
Relief Valve Pressure—241.3 bar
Ground Contact Area—91014.0 cm³
No of Shoes Per Side—44
Track Pitch—21.8 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