10 material differences · fewer than 12

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

Which should you choose?

Read our verdict on the 851 (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.

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

Renault 851 (S) and Steyr 8100 (a), field by field
Field	851 (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	6,647 lb · 3,015 kg	8,095 lb · 3,672 kg	+22% 8100 (a)
Wheelbase declared	95.6 in · 2,428 mm	98.8 in · 2,509 mm	—
Length declared	157.1 in · 3,990 mm	163.0 in · 4,140 mm	—
Width declared	73.0–96.7 in · 1,855–2,455 mm	80.7–94.9 in · 2,050–2,410 mm	differs
Height, over the cab declared	106.3 in · 2,700 mm	101.2 in · 2,570 mm	—
Ground clearance declared	15.2 in · 385 mm	16.3 in · 415 mm	+8% 8100 (a)
Turning radius, braked declared	12.1 ft · 3.70 m	13.5 ft · 4.13 m	+12% 8100 (a)
Fuel tank declared	81.4 qt · 77.0 L	128.9 qt · 122.0 L	+58% 8100 (a)

Source

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