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

FeatureJohn Deere 644J High LiftWheel loaderJCB 456HTWheel loader
TypeWheel LoaderWheel Loader
Horsepower138.0 kW114.1 kW
Weight22285.0 kg22080.9 kg
Tipping Capacity13172.3 kg14632.9 kg
Max Speed23.7 km/h37.5 km/h
Engine Model6068 H6 CT 8.3C
No Of Cylinders66
Displacement6784.3 cc8300.1 cc
Alternator Supplied Amperage80 amps70 amps
Operating Voltage24 V24 V
Rated Speed2200 RPM2200 RPM
Torque Speed1400 RPM1400 RPM
Net Power138.0 kW114.1 kW
Peak Torque1015.5 N-m994.1 N-m
Torque Rise55 %—
Fuel Capacity352.0 l320.2 l
Engine Oil Capacity24.6 l18.9 l
Cooling Capacity29.5 l40.1 l
Hydraulic System Capacity117.3 l215.0 l
Transmission Oil Capacity26.9 l34.1 l
Differential Front Capacity22.3 l69.3 l
Differential Rear Capacity22.3 l51.1 l
Transmission TypePower shiftPower shift
No of Forward Gears34
No of Reverse Gears33
Rear Axle Oscillation18 °25 °
Max Speed (Forward)23.7 km/h37.5 km/h
Max Speed (Reverse)24.9 km/h24.5 km/h
Pump typeVariable axial pistonTwin variable displacement piston pump
Pump Flow257.4 LPM163.2 LPM
Relief Pressure248.2 bar249.9 bar
Raise Lift Arms6.2 sec5.8 sec
Lower Lift Time3.2 sec4.1 sec
Bucket Dump Time1.4 sec1.2 sec
Operating Weight22285.0 kg22080.9 kg
Tipping Load13172.3 kg14632.9 kg
Bucket Capacity (Heaped)4.6 m³3.1 m³
Bucket Capacity (Struck)4.2 m³2.5 m³
Bucket Width304.8 cm274.3 cm
Breakout Force11612.0 kg16415.5 kg
Reach At Max Lift And Dump121.9 cm121.9 cm
Dump Clearance At Max Raise335.3 cm304.8 cm
Turning Radius548.6 cm670.6 cm
Wheelbase304.8 cm335.3 cm
Bucket Hinge Pin457.2 cm426.7 cm
Cab Height335.3 cm335.3 cm
Overall Length823.0 cm853.4 cm
Ground Clearance61.0 cm61.0 cm
Width Over Tires274.3 cm274.3 cm
Tire Size23.5 -25L3
Aspiration—Turbocharged
Gross Power—120.1 kW
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