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

FeatureKomatsu WA9003Wheel loaderCaterpillar 988K XEWheel loader
TypeWheel LoaderWheel Loader
Horsepower636.1 kW403.4 kW
Weight102879.2 kg52780.0 kg
Tipping Capacity66138.2 kg—
Max Speed28.0 km/h—
Engine ModelSAA12V140ZE-2Cat C18 ACERT
No Of Cylinders12—
AspirationTurbocharged and Aftercooled—
Displacement30496.4 cc18107.7 cc
Alternator Supplied Amperage75 amps—
Operating Voltage24 V—
Rated Speed2000 RPM—
Net Power636.1 kW403.4 kW
Gross Power668.9 kW—
Fuel Capacity1425.2 l556.5 l
Engine Oil Capacity132.1 l—
Cooling Capacity300.9 l—
Hydraulic System Capacity724.9 l—
Transmission Oil Capacity140.1 l60.6 l
Differential Front Capacity360.0 l185.5 l
Differential Rear Capacity360.0 l185.5 l
Transmission TypePower shiftCat switched reluctance electric drive
No of Forward Gears3—
No of Reverse Gears3—
Rear Axle Oscillation22 °—
Max Speed (Forward)28.0 km/h—
Max Speed (Reverse)28.3 km/h—
Pump typeVariable piston pump—
Pump Flow405.0 LPM—
Relief Pressure343.2 bar—
Raise Lift Arms11.2 sec—
Lower Lift Time4.8 sec—
Bucket Dump Time2 sec—
Operating Weight102879.2 kg52780.0 kg
Tipping Load66138.2 kg—
Bucket Capacity (Heaped)13.0 m³—
Bucket Capacity (Struck)11.0 m³—
Bucket Width487.7 cm—
Breakout Force67898.2 kg—
Reach At Max Lift And Dump243.8 cm—
Dump Clearance At Max Raise457.2 cm—
Turning Radius1097.3 cm—
Wheelbase548.6 cm457.2 cm
Bucket Hinge Pin701.0 cm—
Cab Height518.2 cm—
Overall Length1432.6 cm—
Ground Clearance61.0 cm—
Width Over Tires457.2 cm—
Tire Size45 /64-45—
Emissions—U.S. EPA Tier 4 Final/EU Stage IV
Torque Rise—58 %
Stroke—18.3 cm
Bore—14.5 cm
Brakes—ISO 3450:2011
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