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

FeatureKomatsu WA420-3Wheel loaderCase 821GWheel loader
TypeWheel LoaderWheel Loader
Horsepower162.0 kW153.6 kW
Weight18220.8 kg18170.9 kg
Tipping Capacity13417.3 kg—
Max Speed32.8 km/h36.7 km/h
Engine ModelS6D108FPT F4HFE613S
No Of Cylinders66
Displacement7151.3 cc6735.1 cc
Rated Speed2200 RPM—
Net Power162.0 kW153.6 kW
Fuel Capacity320.2 l288.1 l
No of Forward Gears44
No of Reverse Gears43
Max Speed (Forward)32.8 km/h36.7 km/h
Max Speed (Reverse)34.0 km/h—
Operating Weight18220.8 kg18170.9 kg
Tipping Load13417.3 kg—
Bucket Capacity (Heaped)3.7 m³3.2 m³
Bucket Capacity (Struck)3.2 m³—
Bucket Width304.8 cm—
Breakout Force18506.6 kg15998.2 kg
Reach At Max Lift And Dump121.9 cm182.9 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 cm335.3 cm
Overall Length823.0 cm—
Ground Clearance61.0 cm30.5 cm
Width Over Tires274.3 cm274.3 cm
Tire Size23.5-25-16PR—
Emissions—Tier 4
Alternator—120 amps
Operating Voltage—24 V
Gross Power—171.5 kW
Peak Torque—1184.0 N-m
Torque Rise—47 %
Cooling Capacity—30.3 l
Transmission Oil Capacity—34.4 l
Diesel Exhaust Fluid—59.1 l
Differential Front Capacity—40.1 l
Differential Rear Capacity—40.1 l
Transmission Type—Power shift
Service Brake—Wet Multi Disc
Rear Axle Oscillation—24 °
Pump type—Piston
Pump Flow—120.4 LPM
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