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

FeatureCaterpillar 904BWheel loaderKomatsu WA65PT-3Wheel loader
TypeWheel LoaderWheel Loader
Horsepower38.8 kW37.3 kW
Weight4449.7 kg4259.2 kg
Tipping Capacity2980.1 kg3383.8 kg
Max Speed19.3 km/h20.1 km/h
Engine ModelS4Q2 Turbo4 D 94E
AspirationTurbocharged—
Alternator Supplied Amperage75 amps80 amps
Operating Voltage12 V12 V
Net Power38.8 kW37.3 kW
Gross Power41.0 kW—
Stroke10.2 cm—
Bore8.9 cm—
Fuel Capacity83.3 l77.2 l
Engine Oil Capacity7.6 l9.5 l
Cooling Capacity7.6 l10.2 l
Hydraulic System Capacity41.6 l70.0 l
Transmission Oil Capacity7.6 l—
Transmission TypeClosed-loop, two-speed Hydrostatic single-path transmission.Hydrostatic
No of Forward Gears22
No of Reverse Gears22
Rear Axle Oscillation37 °24 °
Max Speed (Forward)19.3 km/h20.1 km/h
Max Speed (Reverse)19.3 km/h—
Pump Flow83.3 LPM53.0 LPM
Relief Pressure207.0 bar200.0 bar
Raise Lift Arms4.5 sec5 sec
Lower Lift Time3.2 sec2.4 sec
Bucket Dump Time0.8 sec1 sec
Operating Weight4449.7 kg4259.2 kg
Tipping Load2980.1 kg3383.8 kg
Bucket Capacity (Heaped)0.6 m³0.7 m³
Bucket Width182.9 cm182.9 cm
Breakout Force3628.7 kg4109.5 kg
Reach At Max Lift And Dump61.0 cm91.4 cm
Dump Clearance At Max Raise243.8 cm243.8 cm
Turning Radius121.9 cm365.8 cm
Wheelbase61.0 cm182.9 cm
Bucket Hinge Pin304.8 cm304.8 cm
Cab Height243.8 cm304.8 cm
Overall Length518.2 cm518.2 cm
Ground Clearance304.8 cm30.5 cm
Width Over Tires182.9 cm—
Tire Size12.5-18365 /70 R18 SPT 9
No Of Cylinders—4
Displacement—2776.0 cc
Torque Speed—1600 RPM
Peak Torque—165.0 N-m
Differential Front Capacity—6.4 l
Differential Rear Capacity—6.8 l
Pump type—closed hydraulic system
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