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

FeatureCase 721FXRWheel loaderKomatsu WA320-6Wheel loader
TypeWheel LoaderWheel Loader
Horsepower133.5 kW—
Weight14510.4 kg14369.8 kg
Tipping Capacity10124.2 kg—
Max Speed37.8 km/h38.1 km/h
Engine ModelF4HFE613YSAA6D107E-1
No Of Cylinders62
AspirationTurbochargedTurbocharged, after cooled
Displacement6735.1 cc6690.9 cc
Alternator Supplied Amperage65 amps—
Operating Voltage24 V—
Rated Speed2000 RPM2000 RPM
Torque Speed1300 RPM—
Net Power133.5 kW—
Gross Power145.4 kW—
Peak Torque913.8 N-m—
Torque Rise37 %—
Fuel Capacity246.1 l245.3 l
Engine Oil Capacity15.1 l23.1 l
Cooling Capacity28.8 l25.4 l
Hydraulic System Capacity177.9 l89.3 l
Transmission Oil Capacity34.1 l—
Differential Front Capacity35.2 l—
Differential Rear Capacity23.1 l—
No of Forward Gears44
No of Reverse Gears34
Rear Axle Oscillation24 °—
Max Speed (Forward)37.8 km/h38.1 km/h
Max Speed (Reverse)25.6 km/h23.7 km/h
Pump Flow206.3 LPM172.2 LPM
Relief Pressure249.9 bar20.6 MPa 210 kgf/cm 2 2.990 psi
Raise Lift Arms5.2 sec6.1 sec
Lower Lift Time2.4 sec3.3 sec
Bucket Dump Time1.3 sec1.2 sec
Operating Weight14510.4 kg14369.8 kg
Tipping Load10124.2 kg—
Bucket Capacity (Heaped)2.5 m³—
Bucket Width274.3 cm274.3 cm
Reach At Max Lift And Dump121.9 cm—
Dump Clearance At Max Raise335.3 cm—
Wheelbase335.3 cm304.8 cm
Bucket Hinge Pin426.7 cm—
Cab Height335.3 cm304.8 cm
Overall Length792.5 cm731.5 cm
Ground Clearance30.5 cm30.5 cm
Width Over Tires274.3 cm243.8 cm
Engine Type—Water-cooled, 4-cycle
Air Cleaner—Dry type
Stroke—45.5 cm
Bore—7.1 cm
Transmission Type—Hydrostatic
Service Brake—Hydraulically actuated
Pump type—Gear type pump
Breakout Force—15720 kgf
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