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

FeatureCase 721DWheel loaderKomatsu WA320-6Wheel loader
TypeWheel LoaderWheel Loader
Horsepower126.8 kW—
Weight13898.1 kg14369.8 kg
Tipping Capacity12528.2 kg—
Max Speed38.0 km/h38.1 km/h
Engine ModelFamily III 668TA/E2SAA6D107E-1
No Of Cylinders62
AspirationTurbocharged and air to air cooledTurbocharged, after cooled
Displacement6735.1 cc6690.9 cc
Alternator Supplied Amperage70 amps—
Operating Voltage24 V—
Rated Speed2000 RPM2000 RPM
Torque Speed1300 RPM—
Net Power126.8 kW—
Gross Power135.0 kW—
Peak Torque767.4 N-m—
Torque Rise24.8 %—
Fuel Capacity246.1 l245.3 l
Engine Oil Capacity14.4 l23.1 l
Cooling Capacity37.1 l25.4 l
Hydraulic System Capacity193.4 l89.3 l
Transmission Oil Capacity25.7 l—
Differential Front Capacity30.7 l—
Differential Rear Capacity27.6 l—
No of Forward Gears44
No of Reverse Gears34
Rear Axle Oscillation24 °—
Max Speed (Forward)38.0 km/h38.1 km/h
Max Speed (Reverse)25.7 km/h23.7 km/h
Pump typeClosed centered pressure/flow compensatedGear type pump
Pump Flow206.3 LPM172.2 LPM
Relief Pressure250.0 bar20.6 MPa 210 kgf/cm 2 2.990 psi
Raise Lift Arms5.6 sec6.1 sec
Lower Lift Time3.3 sec3.3 sec
Bucket Dump Time2.4 sec1.2 sec
Operating Weight13898.1 kg14369.8 kg
Tipping Load12528.2 kg—
Bucket Capacity (Heaped)2.7 m³—
Bucket Capacity (Struck)2.3 m³—
Bucket Width274.3 cm274.3 cm
Breakout Force13521.6 kg15720 kgf
Reach At Max Lift And Dump121.9 cm—
Dump Clearance At Max Raise274.3 cm—
Turning Radius579.1 cm—
Wheelbase335.3 cm304.8 cm
Bucket Hinge Pin396.2 cm—
Cab Height335.3 cm304.8 cm
Overall Length762.0 cm731.5 cm
Ground Clearance30.5 cm30.5 cm
Width Over Tires274.3 cm243.8 cm
Tire Size20.5 x25 L3—
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
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