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

FeatureKomatsu WB156-5Backhoe loaderKomatsu WB146PS-5Backhoe loader
Horsepower73.8 kW69.1 kW
Weight7497.9 kg7298.3 kg
TransmissionSynchronizedFull Powershift, gears
Pump Capacity165.0 LPM165.0 LPM
Lift Capacity3900.9 kg3900.9 kg
Engine ManufacturerKomatsuKomatsu
Engine ModelS4D102LE-2S4D102LE-2
Gross Power73.8 kW69.1 kW
Net Power70.8 kW66.1 kW
No Of Cylinders44
Engine TypeDieselDiesel
Displacement4506.5 cc4506.5 cc
AspirationTurbochargedTurbocharged
Power Measured2200 RPM2200 RPM
Torque Measured1500 RPM1500 RPM
Max Torque (Net )140.6 kg136.1 kg
Operating Voltage12 V12 V
Alternator Supplied Amperage95 A95 A
Fuel Capacity150.3 l150.3 l
Oil Capacity9.1 l9.1 l
Cooling Capacity14.0 l14.0 l
Hydraulic System Capacity97.3 l97.3 l
Transmission Oil Capacity20.4 l28.0 l
Front Axle Oil Capacity7.2 l7.2 l
Rear Axle Oil Capacity14.8 l14.8 l
Transmission TypeSynchronized gearbox, power shuttleFull Powershift, gears
No Of Forward Gears44
No Of Reverse Gears43
Max Speed (Forward)37.8 km/h40.1 km/h
Max Speed (Reverse)37.8 km/h23.0 km/h
Pump TypeVariable displacement pistonVariable displacement piston
Pump Flow Capacity165.0 LPM165.0 LPM
Relief Valve Pressure245.0 bar245.0 bar
Dig Depth487.7 cm426.7 cm
Dig Depth (Extended)609.6 cm548.6 cm
Loading Height365.8 cm365.8 cm
Loading Height (Extended)457.2 cm426.7 cm
Reach At Max Dump Height61.0 cm61.0 cm
Dump Height274.3 cm274.3 cm
Reach From Swivel (Extended)731.5 cm670.6 cm
Lift Capacity At Full Height3900.9 kg3900.9 kg
Load At Max Lift Capacity1474.2 kg1483.2 kg
Load At Max Lift Capacity (Extended)834.6 kg830.1 kg
Operating Weight7497.9 kg7298.3 kg
Bucket Capacity1.0 m³1.0 m³
Bucket Width235.7 cm235.7 cm
Bucket Breakout Force5996.5 kg5996.5 kg
Reach From Swivel609.6 cm579.1 cm
Height To Top Of Cab304.8 cm304.8 cm
Overall Height426.7 cm426.7 cm
Overall Length762.0 cm731.5 cm
Overall Width243.8 cm243.8 cm
Wheelbase213.4 cm213.4 cm
Turning Radius335.3 cm335.3 cm
Ground Clearance30.5 cm30.5 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