International Harvester D-326 vs Nuffield 4/25 (425)

11 material differences · fewer than 12

Tractor one

1962–1966

No measured PTO figure

Tractor two

1968–1969

No measured PTO figure

Which should you choose?

Read our verdict on the D-326 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.

11 material differences · 4 fields identical or within 5%, which is not counted as material

International Harvester D-326 and Nuffield 4/25 (425), field by field
Field	D-326	4/25 (425)	Gap
Engine
Engine power, claimed claimed	25.6 hp	24.9 hp	—
Engine declared	INTERNATIONAL-HARVESTER DD-111	BMC B 15 T	differs
Displacement declared	1.83 L	—	—
Maximum torque declared	73 lb·ft · 99 N·m	51 lb·ft · 69 N·m	+43% D-326
Transmission
Top speed declared	12.4 mph · 20 km/h	15.5 mph · 25 km/h	+25% 4/25 (425)
Clutch declared	Pedal-operated dry single-plate clutch	Pedal-operated dry BORG & BECK single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	—	3.8 gpm · 14.5 L/min	—
Three-point lift at ends declared	3,307 lb · 1,500 kg	1,001 lb · 454 kg	+230% D-326
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,450 lb · 1,565 kg	2,220–2,328 lb · 1,007–1,056 kg	differs
Wheelbase declared	70.1 in · 1,780 mm	67.0 in · 1,702 mm	—
Length declared	108.3 in · 2,750 mm	109.4 in · 2,780 mm	—
Width declared	64.6 in · 1,640 mm	60.5 in · 1,537 mm	+7% D-326
Height declared	61.0 in · 1,550 mm	74.5 in · 1,892 mm	+22% 4/25 (425)
Ground clearance declared	15.1 in · 383 mm	12.8 in · 324 mm	+18% D-326
Turning radius, braked declared	8.4 ft · 2.55 m	9.4 ft · 2.87 m	+13% 4/25 (425)
Fuel tank declared	31.7 qt · 30.0 L	33.6 qt · 31.8 L	+6% 4/25 (425)

Source

Source