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

FeatureKomatsu WA9003 Tier 2Wheel loaderCaterpillar 993KWheel loader
TypeWheel LoaderWheel Loader
Horsepower638.3 kW725.6 kW
Weight107201.9 kg133660.0 kg
Tipping Capacity65671.0 kg84540.5 kg
Max Speed17.5 km/h21.9 km/h
Engine ModelSAA12V140E-3Cat C32 with ACERT Technology
No Of Cylinders1212
AspirationTurbocharged and Aftercooled—
Displacement30480.0 cc32102.3 cc
Alternator Supplied Amperage90 amps150 amps
Operating Voltage24 V24 V
Rated Speed2050 RPM—
Net Power638.3 kW725.6 kW
Gross Power671.1 kW783.0 kW
Fuel Capacity1555.0 l2063.0 l
Engine Oil Capacity130.2 l121.1 l
Cooling Capacity337.3 l318.0 l
Hydraulic System Capacity725.3 l185.5 l
Transmission Oil Capacity140.1 l170.3 l
Differential Front Capacity360.4 l481.9 l
Differential Rear Capacity360.4 l481.9 l
Transmission TypePower shiftPower shift
No of Forward Gears33
No of Reverse Gears33
Rear Axle Oscillation22 °—
Max Speed (Forward)17.5 km/h21.9 km/h
Max Speed (Reverse)17.7 km/h24.1 km/h
Pump Flow315.3 LPM—
Relief Pressure343.2 bar295.0 bar
Raise Lift Arms11.2 sec9.4 sec
Lower Lift Time4.8 sec6.7 sec
Bucket Dump Time2 sec2.1 sec
Operating Weight107201.9 kg133660.0 kg
Tipping Load65671.0 kg84540.5 kg
Bucket Capacity (Heaped)13.0 m³13.0 m³
Bucket Capacity (Struck)11.0 m³10.0 m³
Bucket Width487.7 cm518.2 cm
Breakout Force67898.2 kg72375.1 kg
Reach At Max Lift And Dump243.8 cm243.8 cm
Dump Clearance At Max Raise457.2 cm457.2 cm
Turning Radius1097.3 cm1097.3 cm
Wheelbase548.6 cm579.1 cm
Bucket Hinge Pin701.0 cm701.0 cm
Cab Height518.2 cm609.6 cm
Overall Length1463.0 cm1524.0 cm
Ground Clearance61.0 cm61.0 cm
Width Over Tires457.2 cm518.2 cm
Tire Size45 /65-4550 / 65R51
Emissions—U.S. EPA Tier 4 Final
Torque Rise—33 %
Stroke—16.3 cm
Bore—14.5 cm
Crankcase—120.0 l
Articulation Angle—43 °
Pump type—3 x
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