9 material differences · fewer than 12

Tractor oneRenault 851-4 (S)1974–1989No measured PTO figureTractor twoSteyr 8100 (a)1978–1984No measured PTO figure

Which should you choose?

Read our verdict on the 851-4 (S) and the 8100 (a) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Renault 851-4 (S) and Steyr 8100 (a), field by field
Field	851-4 (S)	8100 (a)	Gap
Engine
Engine power, claimed claimed	83.9 hp	83.9 hp	—
Engine declared	MWM TD 226-4	Steyr WD-611.40	differs
Displacement declared	4.16 L	5.18 L	+25% 8100 (a)
Maximum torque declared	212 lb·ft · 288 N·m	229 lb·ft · 310 N·m	+8% 8100 (a)
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5–18.6 mph · 25–30 km/h	differs
Clutch declared	Dry LuK double clutch	—	—
Hydraulics & hitch
Pump flow declared	8.9 gpm · 33.7 L/min	9.4 gpm · 35.5 L/min	+5% 8100 (a)
Pressure declared	2,321 psi · 160 bar	—	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	7,573 lb · 3,435 kg	8,095 lb · 3,672 kg	+7% 8100 (a)
Wheelbase declared	95.6 in · 2,428 mm	98.8 in · 2,509 mm	—
Length declared	165.4 in · 4,200 mm	163.0 in · 4,140 mm	—
Width declared	73.2–77.8 in · 1,860–1,975 mm	80.7–94.9 in · 2,050–2,410 mm	differs
Height, over the cab declared	106.1 in · 2,695 mm	101.2 in · 2,570 mm	—
Ground clearance declared	13.0 in · 330 mm	16.3 in · 415 mm	+26% 8100 (a)
Turning radius, braked declared	—	13.5 ft · 4.13 m	—
Fuel tank declared	81.4 qt · 77.0 L	128.9 qt · 122.0 L	+58% 8100 (a)

Source

Source