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

FeatureKomatsu WA420-3Wheel loaderJohn Deere 644K HybridWheel loader
TypeWheel LoaderWheel Loader
Horsepower162.0 kW—
Weight18220.8 kg18343.3 kg
Tipping Capacity13417.3 kg—
Max Speed32.8 km/h—
Engine ModelS6D108PowerTech PSX 6068
No Of Cylinders6—
Displacement7151.3 cc6800.6 cc
Rated Speed2200 RPM—
Net Power162.0 kW—
Fuel Capacity320.2 l397.1 l
No of Forward Gears4—
No of Reverse Gears4—
Max Speed (Forward)32.8 km/h—
Max Speed (Reverse)34.0 km/h—
Operating Weight18220.8 kg18343.3 kg
Tipping Load13417.3 kg—
Bucket Capacity (Heaped)3.7 m³—
Bucket Capacity (Struck)3.2 m³—
Bucket Width304.8 cm—
Breakout Force18506.6 kg—
Reach At Max Lift And Dump121.9 cm152.4 cm
Dump Clearance At Max Raise304.8 cm—
Turning Radius670.6 cm—
Wheelbase335.3 cm335.3 cm
Bucket Hinge Pin426.7 cm426.7 cm
Cab Height335.3 cm—
Overall Length823.0 cm823.0 cm
Ground Clearance61.0 cm46.1 cm
Width Over Tires274.3 cm274.3 cm
Tire Size23.5-25-16PR—
Alternator—100 amps
Torque Rise—19 %
Hydraulic Tank—106.4 l
Transmission Oil Capacity—38.2 l
Differential Front Capacity—22.3 l
Differential Rear Capacity—22.3 l
Transmission Type—Power shift
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