6 material differences · fewer than 12

Tractor oneRenault 511968–1972No measured PTO figureTractor twoRenault R-561967–1973No measured PTO figure

Which should you choose?

Read our verdict on the 51 and the R-56 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

6 material differences · 7 fields identical or within 5%, which is not counted as material

Renault 51 and Renault R-56, field by field
Field	51	R-56	Gap
Engine
Engine power, claimed claimed	41.4 hp	41.4 hp	—
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Two-stage pedal operated dry FERODO double clutch type 11 LFGM 29	Two-stage pedal operated dry Ferodo double clutch	differs
Hydraulics & hitch
Three-point lift, at the coupling points declared	4,409 lb · 2,000 kg	4,409 lb · 2,000 kg	—
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,527 lb · 1,600 kg	4,189 lb · 1,900 kg	+19% R-56
Wheelbase declared	70.9 in · 1,800 mm	76.0 in · 1,930 mm	+7% R-56
Length declared	123.6 in · 3,140 mm	128.0 in · 3,250 mm	—
Width declared	57.5 in · 1,460 mm	59.1–82.7 in · 1,500–2,100 mm	differs
Height, over the steering wheel declared	60.6 in · 1,540 mm	63.8 in · 1,620 mm	—
Ground clearance declared	15.0 in · 380 mm	16.9 in · 430 mm	+13% R-56
Turning radius, braked declared	9.5 ft · 2.90 m	10.8 ft · 3.29 m	+13% R-56
Fuel tank declared	58.1 qt · 55.0 L	58.1 qt · 55.0 L	—

Source

Source