10 material differences · fewer than 12

Tractor oneInternational Harvester B-2751958–1961No measured PTO figureTractor twoRenault R-571967–1972No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1958–1961; 1967–1972). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

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

International Harvester B-275 and Renault R-57, field by field
Field	B-275	R-57	Gap
Engine
Engine power, claimed claimed	34.5 hp	42.4 hp	+23% R-57
Engine declared	INTERNATIONAL HARVESTER BD-144	ALFA-SAVIEM 714/30.01	differs
Displacement declared	2.36 L	2.49 L	+5% R-57
Maximum torque declared	95 lb·ft · 129 N·m	109 lb·ft · 148 N·m	+15% R-57
Transmission
Top speed declared	13.7 mph · 22 km/h	15.5 mph · 25 km/h	+14% R-57
Clutch declared	Pedal operated two stage dry Borg and Beck double clutch	Two-stage pedal-operated dry FERODO double clutch	differs
Hydraulics & hitch
Pump flow declared	6.0 gpm · 22.7 L/min	5.6 gpm · 21.2 L/min	+7% B-275
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,459 lb · 1,569 kg	4,101 lb · 1,860 kg	+19% R-57
Wheelbase declared	74.1 in · 1,883 mm	76.0 in · 1,930 mm	—
Length declared	122.4 in · 3,110 mm	128.0 in · 3,250 mm	—
Width declared	65.7 in · 1,670 mm	59.1–82.7 in · 1,500–2,100 mm	differs
Height, over the steering wheel declared	60.6 in · 1,540 mm	61.4 in · 1,560 mm	—
Ground clearance declared	15.6 in · 397 mm	16.5 in · 420 mm	+6% R-57
Turning radius, braked declared	9.5 ft · 2.90 m	9.8 ft · 2.98 m	—
Fuel tank declared	42.0 qt · 39.7 L	58.1 qt · 55.0 L	+39% R-57

International Harvester B-275 sources

Source

Source: Traktorenlexikon, “IHC B-275”
Source: Traktorenlexikon, “McCormick B-250”
Source: Traktorenlexikon, “McCormick B-275”

Renault R-57 sources