SPECS / COMPARISON

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

Feature	Allis Chalmers 620Tractor	Kubota B1710Tractor
Tractor Type	Sub-Compact Utility Tractor	Compact Utility Tractor
Horsepower	14.5 kW	13.4 kW
Weight	680.0 kg	660.0 kg
Transmission Type	Hydrostatic	Gear shift with dry single plate type clutch
Length	210.0 cm	237.8 cm
Pump Flow	8.5 LPM	16.7 LPM
Years Made	1973-1975	2000-2005
Engine Model	Onan CCKB	D905-D18
Engine Type	4-stroke, air-cooled, inline	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
Rear PTO Speed	2.000 RPM	540 RPM
Front PTO Speed	2.000 RPM	—
Rated RPM	3600 RPM	—
Compression Ratio	7.0:1	—
Battery	12 V	12 V, CCA: 433A
Starter	Electric	Electric
Height	109.0 cm	225.0 cm
Width	121.0 cm	99.0 cm
Ground Clearance	38.0 cm	—
Fuel Tank Capacity	14.5 l	24.0 l
Oil Capacity	3.3 l	3.0 l
Hydraulic Capacity	4.7 l	—
Gears	Infinite forward and reverse	6 forward and 2 reverse
Chassis	4×2 2WD	4×4 MFWD 4WD
Drawbar Category	0	I
Cabin Type	Open operator station	Open operator station with two-post ROPS
Front Tires	Ag: 4.00×12Lawn/turf: 20-8×10	Ag: 6-12B
Rear Tires	Ag: 8×16Lawn/turf: 29-12.5×15	Ag: 8-16
Working Pressure	34.5 bar	—
Lift Capacity	—	750.0 kg
Middle PTO Speed	—	2500 RPM
Torque Speed	—	51.0 N·m
Wheelbase	—	150.0 cm
Coolant Capacity	—	3.8 l
Transmission Oil Capacity	—	11.5 l
Max. Travel Speed	—	6.6 km/h
Brakes	—	Wet disc type
Hitch Type	—	Position control
Steering Type	—	Integral type power
Total Flow	—	26.5 LPM
Steering Flow	—	9.8 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