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

FeatureCase 921CWheel loaderKomatsu WA4705Wheel loader
TypeWheel LoaderWheel Loader
Horsepower184.9 kW202.1 kW
Weight22960.8 kg22779.4 kg
Tipping Capacity19645.1 kg18905.7 kg
Max Speed38.8 km/h39.8 km/h
Engine ModelQSMIISAA6D125E-3
No Of Cylinders66
AspirationTurbocharged and air to air cooledTurbocharger
Displacement10831.9 cc11041.6 cc
Alternator Supplied Amperage70 amps50 amps
Operating Voltage24 V24 V
Rated Speed2100 RPM2000 RPM
Torque Speed1300 RPM1400 RPM
Net Power184.9 kW—
Gross Power201.3 kW202.1 kW
Peak Torque1255.5 N-m1245.0 N-m
Torque Rise41 %—
Fuel Capacity394.1 l390.3 l
Engine Oil Capacity37.1 l38.2 l
Cooling Capacity47.3 l50.3 l
Hydraulic System Capacity232.8 l186.2 l
Transmission Oil Capacity28.8 l186.2 l
Differential Front Capacity64.0 l52.2 l
Differential Rear Capacity64.0 l52.2 l
No of Forward Gears44
No of Reverse Gears34
Rear Axle Oscillation24 °30 °
Max Speed (Forward)38.8 km/h39.8 km/h
Max Speed (Reverse)26.7 km/h41.0 km/h
Pump typedual, vane-type tandemgear pump
Pump Flow143.8 LPM410.3 LPM
Relief Pressure196.5 bar210.0 bar
Raise Lift Arms6.2 sec6 sec
Lower Lift Time4.9 sec3.7 sec
Bucket Dump Time1.5 sec1.4 sec
Operating Weight22960.8 kg22779.4 kg
Tipping Load19645.1 kg18905.7 kg
Bucket Capacity (Heaped)3.7 m³4.1 m³
Bucket Capacity (Struck)2.9 m³—
Bucket Width304.8 cm304.8 cm
Breakout Force22806.6 kg18760.6 kg
Reach At Max Lift And Dump121.9 cm121.9 cm
Dump Clearance At Max Raise304.8 cm304.8 cm
Turning Radius609.6 cm609.6 cm
Wheelbase335.3 cm335.3 cm
Bucket Hinge Pin426.7 cm426.7 cm
Cab Height365.8 cm335.3 cm
Overall Length853.4 cm883.9 cm
Ground Clearance30.5 cm61.0 cm
Width Over Tires304.8 cm304.8 cm
Tire Size26.5 x25 L326.5 R25
Transmission Type—Power shift
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