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

FeatureJohn Deere 644H High LiftWheel loaderCaterpillar 950GWheel loader
TypeWheel LoaderWheel Loader
Horsepower134.2 kW146.9 kW
Weight17690.1 kg17780.8 kg
Tipping Capacity11249.1 kg12197.1 kg
Max Speed38.6 km/h37.0 km/h
Engine Model6081 HCat? 3126 DITA
No Of Cylinders6—
AspirationTurbocharged with Aftercooler—
Displacement8128.0 cc7200.5 cc
Alternator Supplied Amperage55 amps—
Operating Voltage24 V—
Rated Speed2200 RPM—
Torque Speed1300 RPM—
Net Power134.2 kW146.9 kW
Gross Power152.9 kW134.2 kW
Peak Torque1010.1 N-m—
Fuel Capacity340.7 l295.3 l
Engine Oil Capacity25.4 l—
Cooling Capacity29.1 l49.2 l
Hydraulic System Capacity117.3 l153.3 l
Transmission Oil Capacity26.1 l34.1 l
Differential Front Capacity27.3 l36.3 l
Differential Rear Capacity27.3 l36.3 l
Transmission TypePower shift—
No of Forward Gears44
No of Reverse Gears34
Rear Axle Oscillation26 °—
Max Speed (Forward)38.6 km/h37.0 km/h
Max Speed (Reverse)26.4 km/h40.6 km/h
Pump typePiston pump—
Pump Flow257.4 LPM—
Relief Pressure248.2 bar—
Raise Lift Arms6.2 sec6.3 sec
Lower Lift Time3 sec2.2 sec
Bucket Dump Time1.4 sec2.2 sec
Operating Weight17690.1 kg17780.8 kg
Tipping Load11249.1 kg12197.1 kg
Bucket Capacity (Heaped)3.3 m³2.7 m³
Bucket Capacity (Struck)2.8 m³—
Bucket Width304.8 cm304.8 cm
Breakout Force13866.3 kg14882.4 kg
Reach At Max Lift And Dump121.9 cm121.9 cm
Dump Clearance At Max Raise335.3 cm274.3 cm
Turning Radius548.6 cm—
Wheelbase304.8 cm—
Bucket Hinge Pin457.2 cm—
Cab Height335.3 cm335.3 cm
Overall Length853.4 cm792.5 cm
Ground Clearance61.0 cm30.5 cm
Width Over Tires274.3 cm274.3 cm
Tire Size20.5-25—
Crankcase—30.3 l
Hydraulic Tank—88.2 l
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