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

FeatureJohn Deere 644K HybridWheel loaderKomatsu WA4305Wheel loader
TypeWheel LoaderWheel Loader
Weight18343.3 kg18275.2 kg
Engine ModelPowerTech PSX 6068SAA6D125E-3
Displacement6800.6 cc—
Alternator100 amps—
Torque Rise19 %—
Fuel Capacity397.1 l300.2 l
Hydraulic Tank106.4 l—
Transmission Oil Capacity38.2 l—
Differential Front Capacity22.3 l—
Differential Rear Capacity22.3 l—
Transmission TypePower shiftPower shift
Operating Weight18343.3 kg18275.2 kg
Reach At Max Lift And Dump152.4 cm121.9 cm
Wheelbase335.3 cm243.8 cm
Bucket Hinge Pin426.7 cm—
Overall Length823.0 cm853.4 cm
Ground Clearance46.1 cm61.0 cm
Width Over Tires274.3 cm—
Horsepower—140.0 kW
Tipping Capacity—13875.4 kg
Max Speed—33.3 km/h
Net Power—140.0 kW
Max Speed (Forward)—33.3 km/h
Max Speed (Reverse)—34.9 km/h
Tipping Load—13875.4 kg
Bucket Capacity (Heaped)—3.5 m³
Bucket Width—304.8 cm
Breakout Force—_ -
Dump Clearance At Max Raise—304.8 cm
Cab Height—335.3 cm
Tire Size—23.5 X25 16PR L5
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