SPECS / COMPARISON

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

Feature	Ford 861 PowermasterTractor	Oliver Super 55Tractor
Tractor Type	Utility Tractor	Utility Tractor
Horsepower	42.0 kW	—
Weight	1560.0 kg	1540.0 kg
Lift Capacity	567.0 kg	—
Transmission Type	Unsynchronized gear with dry disc clutch	Unsychronized gear with dry plate clutch
Length	306.0 cm	304.0 cm
Years Made	1958-1962	1954-1958
Engine Model	Ford	Oliver
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Diesel
Cylinders	4	4
Displacement	2819 cc	2360 cc
Bore	9.91 cm	8.89 cm
Stroke	9.09 cm	9.50 cm
Rear PTO Type	Live	Live
Rear PTO Speed	540 RPM	540 RPM
Torque Power	1400 RPM	—
Torque Speed	190.4 N·m	—
Rated RPM	2200 RPM	—
Compression Ratio	16.8:1	15.75:1
Battery	6 V , 12V	—
Starter	Electric	Electric
Height	145.0 cm	180.0 cm
Wheelbase	189.0 cm	—
Ground Clearance	54.0 cm	—
Fuel Tank Capacity	64.3 l	49.2 l
Oil Capacity	4.7 l	—
Coolant Capacity	14.2 l	13.2 l
Transmission Oil Capacity	7.6 l	—
Hydraulic Capacity	7.6 l	—
Transmission Model	Ford	—
Gears	5 forward and 1 reverse	6 forward and 2 reverse
Chassis	4×2 2WD	4×2 2WD
Max. Travel Speed	6.3 km/h	6.3 km/h
Brakes	Differential mechanical expanding shoe	Mechanical disc
Drawbar Category	I	—
Cabin Type	Open operator station	Open operator station
Steering Type	Manual or power assist	—
Front Tires	Ag: 6.00×16	Ag: 6.00-16
Rear Tires	Ag: 12×28, 13.6×28	Ag: 11-28
Hydraulic Type	Open center	—
Total Flow	15.1 LPM	—
Working Pressure	137.9 bar	—
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