International Harvester F-235 D vs Nuffield 4/25 (425)

12 material differences

Tractor one

1957–1959

No measured PTO figure

Tractor two

1968–1969

No measured PTO figure

Which should you choose?

Read our verdict on the F-235 D and the 4/25 (425) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

12 material differences · 2 fields identical or within 5%, which is not counted as material

International Harvester F-235 D and Nuffield 4/25 (425), field by field
Field	F-235 D	4/25 (425)	Gap
Engine
Engine power, claimed claimed	25.6 hp	24.9 hp	—
Engine declared	INTERNATIONAL HARVESTER FD-123	BMC B 15 T	differs
Displacement declared	2.01 L	—	—
Maximum torque declared	—	51 lb·ft · 69 N·m	—
Transmission
Top speed declared	10.6 mph · 17 km/h	15.5 mph · 25 km/h	+47% 4/25 (425)
Clutch declared	Pedal-operated dry FERODO single-plate clutch	Pedal-operated dry BORG & BECK single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	4.6 gpm · 17.3 L/min	3.8 gpm · 14.5 L/min	+19% F-235 D
Three-point lift at ends declared	—	1,001 lb · 454 kg	—
Rear PTO speeds declared	539 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	3,560 lb · 1,615 kg	2,220–2,328 lb · 1,007–1,056 kg	differs
Wheelbase declared	91.1 in · 2,315 mm	67.0 in · 1,702 mm	+36% F-235 D
Length declared	130.5 in · 3,315 mm	109.4 in · 2,780 mm	+19% F-235 D
Width declared	78.0 in · 1,981 mm	60.5 in · 1,537 mm	+29% F-235 D
Height declared	74.0 in · 1,879 mm	74.5 in · 1,892 mm	—
Ground clearance declared	22.3 in · 567 mm	12.8 in · 324 mm	+75% F-235 D
Turning radius, braked declared	11.3 ft · 3.45 m	9.4 ft · 2.87 m	+20% F-235 D
Fuel tank declared	44.1 qt · 41.75 L	33.6 qt · 31.8 L	+31% F-235 D

Source

Source