SPECS / COMPARISON

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

Feature	Case 646Backhoe loader	Kubota BX23Backhoe loader
Horsepower	12.3 kW	16.4 kW
Weight	539.0 kg	1224.0 kg
Transmission Type	Hydrostatic	Hydrostatic
Length	274.0 cm	426.0 cm
Pump Flow	34.1 LPM	—
Years Made	1972-1980	2004-2005
Engine Model	Onan CCKA	Kubota D905
Engine Type	4-stroke, air-cooled, V	4-stroke, liquid-cooled, inline
Fuel Type	Gasoline	Diesel
Cylinders	2	3
Displacement	816 cc	898 cc
Bore	8.31 cm	7.19 cm
Stroke	7.59 cm	7.37 cm
Rated RPM	3600 RPM	—
Compression Ratio	7.0:1	23.0:1
Spark Plug	Champion H8	—
Battery	12 V, 32Ah	12 V, CCA: 535A
Starter	Electric	Electric
Height	109.0 cm	218.0 cm
Wheelbase	121.0 cm	140.0 cm
Ground Clearance	20.0 cm	—
Fuel Tank Capacity	18.9 l	21.0 l
Oil Capacity	3.8 l	2.5 l
Hydraulic Capacity	11.4 l	—
Transmission Model	Hy-Drive	—
Gears	Infinite forward and reverse	—
Chassis	4×2 2WD	4×4 MFWD 4WD
Max. Travel Speed	10.5 km/h	10.0 km/h
Brakes	Mechanical band	Wet disk type
Drawbar Category	0	I
Cabin Type	Open operator station	Open operator station with ROPS
Steering Type	Manual	Hydrostatic type
Front Tires	Industrial: 5.70-8	Lawn/turf/ind: 18×8.50-8
Rear Tires	Industrial: 27×8.50-15	Lawn/turf-ind: 26×12.00-12
Hydraulic Type	Open center	—
Working Pressure	158.6 bar	—
Lift Capacity	—	310.0 kg
Rear PTO Type	—	Independent
Rear PTO Speed	—	540 RPM
Middle PTO Type	—	Independent
Middle PTO Speed	—	2500 RPM
Torque Speed	—	54.9 N·m
Width	—	114.5 cm
Coolant Capacity	—	3.5 l
Transmission Oil Capacity	—	10.1 l
Total Flow	—	20.8 LPM
Source	heavyequipments.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