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

FeatureKomatsu WA9003Wheel loaderKomatsu WA8003E0Wheel loader
TypeWheel LoaderWheel Loader
Horsepower636.1 kW—
Weight102879.2 kg101899.4 kg
Tipping Capacity66138.2 kg—
Max Speed28.0 km/h28.0 km/h
Engine ModelSAA12V140ZE-2SAA12V140E-3
No Of Cylinders122
AspirationTurbocharged and AftercooledTurbocharged, after cooledEGR
Displacement30496.4 cc30481.6 cc
Alternator Supplied Amperage75 amps—
Operating Voltage24 V—
Rated Speed2000 RPM—
Net Power636.1 kW—
Gross Power668.9 kW—
Fuel Capacity1425.2 l—
Engine Oil Capacity132.1 l130.2 l
Cooling Capacity300.9 l337.3 l
Hydraulic System Capacity724.9 l725.3 l
Transmission Oil Capacity140.1 l—
Differential Front Capacity360.0 l—
Differential Rear Capacity360.0 l—
Transmission TypePower shiftPower shift
No of Forward Gears34
No of Reverse Gears34
Rear Axle Oscillation22 °—
Max Speed (Forward)28.0 km/h28.0 km/h
Max Speed (Reverse)28.3 km/h28.3 km/h
Pump typeVariable piston pumpPiston pump
Pump Flow405.0 LPM307.4 LPM
Relief Pressure343.2 bar31.4 MPa 350 kgf/cm 4.980 PSI
Raise Lift Arms11.2 sec11.2 sec
Lower Lift Time4.8 sec4.8 sec
Bucket Dump Time2 sec2 sec
Operating Weight102879.2 kg101899.4 kg
Tipping Load66138.2 kg—
Bucket Capacity (Heaped)13.0 m³—
Bucket Capacity (Struck)11.0 m³—
Bucket Width487.7 cm487.7 cm
Breakout Force67898.2 kg69000 kgf
Reach At Max Lift And Dump243.8 cm—
Dump Clearance At Max Raise457.2 cm—
Turning Radius1097.3 cm—
Wheelbase548.6 cm548.6 cm
Bucket Hinge Pin701.0 cm—
Cab Height518.2 cm518.2 cm
Overall Length1432.6 cm—
Ground Clearance61.0 cm61.0 cm
Width Over Tires457.2 cm457.2 cm
Tire Size45 /64-45—
Engine Type—Water-cooled, 4-cycle
Air Cleaner—Dry type
Stroke—50.5 cm
Bore—16.0 cm
Service Brake—Hydraulically actuated
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