J.I. Case 931 GP vs Massey Ferguson MF 1085

6 material differences · fewer than 12

Tractor one

1959–1969

No measured PTO figure

Tractor two

1973–1978

No measured PTO figure

Which should you choose?

Read our verdict on the 931 GP and the MF 1085 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

6 material differences · 6 fields identical or within 5%, which is not counted as material

J.I. Case 931 GP and Massey Ferguson MF 1085, field by field
Field	931 GP	MF 1085	Gap
Engine
Engine power, claimed claimed	83.0 hp	86.8 hp	—
Engine declared	—	Perkins A 4.318	—
Displacement declared	—	5.21 L	—
Maximum torque declared	—	256 lb·ft · 347 N·m	—
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Pedal-operated dry CASE single-disc clutch	Pedal-operated dry LUK single-plate clutch with 305 mm diameter	differs
Hydraulics & hitch
Pump flow declared	15.5 gpm · 58.7 L/min	7.0 gpm · 26.5 L/min	+122% 931 GP
Pressure declared	—	3,086 psi · 213 bar	—
Three-point lift at ends declared	—	6,173 lb · 2,800 kg	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	8,915 lb · 4,044 kg	8,490 lb · 3,851 kg	—
Maximum permissible mass declared	—	13,228 lb · 6,000 kg	—
Wheelbase declared	108.0 in · 2,743 mm	97.2 in · 2,470 mm	+11% 931 GP
Length declared	162.0 in · 4,115 mm	153.9 in · 3,910 mm	—
Width declared	85.2 in · 2,165 mm	114.2 in · 2,900 mm	+34% MF 1085
Height declared	66.0 in · 1,676 mm	79.1 in · 2,010 mm	+20% MF 1085
Ground clearance declared	17.0 in · 432 mm	16.5 in · 420 mm	—
Turning radius, braked declared	10.8 ft · 3.30 m	—	—
Fuel tank declared	95.9–120.0 qt · 90.8–113.6 L	179.6 qt · 170.0 L	differs

Source

Source