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

FeatureCase 646Backhoe loaderKubota BX25DBackhoe loader
Horsepower12.3 kW17.2 kW
Weight539.0 kg721.2 kg
Transmission TypeHydrostaticHST, High-Low gear shift
Length274.0 cm—
Pump Flow34.1 LPM—
Years Made1972-1980—
Engine ModelOnan CCKAD902
Engine Type4-stroke, air-cooled, VDiesel
Fuel TypeGasoline—
Cylinders2—
Displacement816 cc898.0 cc
Bore8.31 cm—
Stroke7.59 cm—
Rated RPM3600 RPM—
Compression Ratio7.0:1—
Spark PlugChampion H8—
Battery12 V, 32Ah—
StarterElectric—
Height109.0 cm—
Wheelbase121.0 cm152.4 cm
Ground Clearance20.0 cm30.5 cm
Fuel Tank Capacity18.9 l—
Oil Capacity3.8 l—
Hydraulic Capacity11.4 l—
Transmission ModelHy-Drive—
GearsInfinite forward and reverse—
Chassis4×2 2WD—
Max. Travel Speed10.5 km/h—
BrakesMechanical band—
Drawbar Category0—
Cabin TypeOpen operator station—
Steering TypeManual—
Front TiresIndustrial: 5.70-8—
Rear TiresIndustrial: 27×8.50-15—
Hydraulic TypeOpen center—
Working Pressure158.6 bar—
Transmission—HST, High-Low gear shift
Pump Capacity—23.5 LPM
Lift Capacity—235.9 kg
Engine Manufacturer—Kubota
Gross Power—17.2 kW
No Of Cylinders—3
PTO Horsepower—13.2 kW
Power Measured—3200 RPM
Fuel Capacity—25.0 l
No Of Forward Gears—2
No Of Reverse Gears—2
Max Speed (Forward)—13.5 km/h
Max Speed (Reverse)—10.6 km/h
Pump Flow Capacity—23.5 LPM
Dig Depth—182.9 cm
Bucket Dig Force—880.0 kg
Loading Height—152.4 cm
Reach At Max Dump Height—61.0 cm
Dump Height—121.9 cm
Lift Capacity At Full Height—235.9 kg
Operating Weight—721.2 kg
Bucket Width—121.9 cm
Bucket Breakout Force—41458.3 kg
Reach From Swivel—61.0 cm
Height To Top Of Cab—213.4 cm
Overall Height—182.9 cm
Overall Length—243.8 cm
Overall Width—121.9 cm
Turning Radius—243.8 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