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

FeatureKubota R420SBackhoe loaderKubota R520SBackhoe loader
Horsepower29.5 kW33.1 kW
Weight3411.0 kg3637.8 kg
TransmissionLight speed transmissionLight speed transmission
Pump Capacity42.0 LPM42.0 LPM
Engine ManufacturerKubotaKubota
Engine ModelD1503-TRP-1V2203-RP
Gross Power29.5 kW33.1 kW
No Of Cylinders34
Engine TypeDieselDiesel
Displacement1501.1 cc2200.8 cc
Power Measured2600 RPM2600 RPM
Transmission TypeLight speed transmissionLight speed transmission
No Of Forward Gears22
No Of Reverse Gears22
Max Speed (Forward)20.1 km/h20.1 km/h
Pump TypeGear pumpGear pump
Pump Flow Capacity42.0 LPM42.0 LPM
Relief Valve Pressure203.9 bar203.9 bar
Dig Depth274.3 cm274.3 cm
Loading Height213.4 cm213.4 cm
Dump Height213.4 cm274.3 cm
Operating Weight3411.0 kg3637.8 kg
Bucket Capacity0.4 m³0.6 m³
Bucket Width152.1 cm176.0 cm
Reach From Swivel365.8 cm365.8 cm
Overall Height243.8 cm243.8 cm
Overall Length487.7 cm518.2 cm
Overall Width152.4 cm182.9 cm
Turning Radius304.8 cm335.3 cm
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