International Harvester B-450 vs Nuffield Universal-4 (4 DM)

11 material differences · fewer than 12

Tractor one

1958–1969

No measured PTO figure

Tractor two

1954–1961

No measured PTO figure

Which should you choose?

Read our verdict on the B-450 and the Universal-4 (4 DM) → 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 B-450 and Nuffield Universal-4 (4 DM), field by field
Field	B-450	Universal-4 (4 DM)	Gap
Engine
Engine power, claimed claimed	54.3 hp	53.9 hp	—
Engine declared	INTERNATIONAL HARVESTER BD-264	BMC 34 TA	differs
Displacement declared	4.33 L	3.40 L	+27% B-450
Maximum torque declared	201 lb·ft · 272 N·m	152 lb·ft · 206 N·m	+32% B-450
Transmission
Top speed declared	16.2 mph · 26 km/h	15.5 mph · 25 km/h	—
Clutch declared	Pedal-operated dry single-plate clutch	Pedal-operated dry BORG & BECK single-plate clutch	differs
Hydraulics & hitch
Pump flow declared	3.6 gpm · 13.6 L/min	7.2 gpm · 27.3 L/min	+101% Universal-4 (4 DM)
Three-point lift at ends declared	—	2,831 lb · 1,284 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	5,842 lb · 2,650 kg	4,945 lb · 2,243 kg	+18% B-450
Wheelbase declared	79.5 in · 2,019 mm	78.0 in · 1,981 mm	—
Length declared	131.1 in · 3,330 mm	121.7 in · 3,091 mm	+8% B-450
Width declared	51.6 in · 1,310 mm	68.9 in · 1,750 mm	+34% Universal-4 (4 DM)
Height declared	71.0 in · 1,803 mm	80.7 in · 2,050 mm	+14% Universal-4 (4 DM)
Ground clearance declared	14.8 in · 375 mm	17.0 in · 432 mm	+15% Universal-4 (4 DM)
Fuel tank declared	83.5 qt · 79.0 L	67.2 qt · 63.6 L	+24% B-450

Source

Source