Fiat 80-90 (DT) vs Renault 851-4 (S)

11 material differences · fewer than 12

Tractor one

1984–1992

No measured PTO figure

Tractor two

1974–1989

No measured PTO figure

Which should you choose?

Read our verdict on the 80-90 (DT) and the 851-4 (S) → 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

Fiat 80-90 (DT) and Renault 851-4 (S), field by field
Field	80-90 (DT)	851-4 (S)	Gap
Engine
Engine power, claimed claimed	79.0 hp	83.9 hp	+6% 851-4 (S)
Engine declared	FIAT-IVECO 8045.05.205 or 305	MWM TD 226-4	differs
Displacement declared	3.91 L	4.16 L	+6% 851-4 (S)
Maximum torque declared	185 lb·ft · 251 N·m	212 lb·ft · 288 N·m	+15% 851-4 (S)
Transmission
Top speed declared	18.6–24.9 mph · 30–40 km/h	15.5 mph · 25 km/h	differs
Clutch declared	dry VALEO, O.M.G. or LuK double clutch	Dry LuK double clutch	differs
Hydraulics & hitch
Pump flow declared	9.4 gpm · 35.5 L/min	8.9 gpm · 33.7 L/min	+5% 80-90 (DT)
Pressure declared	3,046–3,118 psi · 210–215 bar	2,321 psi · 160 bar	differs
Three-point lift at ends declared	—	8,201 lb · 3,720 kg	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	6,834 lb · 3,100 kg	7,573 lb · 3,435 kg	+11% 851-4 (S)
Maximum permissible mass declared	11,684 lb · 5,300 kg	—	—
Wheelbase declared	92.2 in · 2,342 mm	95.6 in · 2,428 mm	—
Length declared	152.9 in · 3,884 mm	165.4 in · 4,200 mm	+8% 851-4 (S)
Width declared	76.0 in · 1,930 mm	73.2 in · 1,860 mm	—
Height declared	103.0 in · 2,615 mm	106.1 in · 2,695 mm	—
Ground clearance declared	19.9 in · 505 mm	13.0 in · 330 mm	+53% 80-90 (DT)
Turning radius, braked declared	12.0 ft · 3.65 m	—	—
Fuel tank declared	98.3 qt · 93.0 L	81.4 qt · 77.0 L	+21% 80-90 (DT)

Source

Source