10 material differences · fewer than 12

Tractor oneFiat 80-66 S (DT)1984–1991No measured PTO figureTractor twoFiat 80-90 (DT)1984–1992No measured PTO figure

Which should you choose?

Read our verdict on the 80-66 S (DT) and the 80-90 (DT) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 8 fields identical or within 5%, which is not counted as material

Fiat 80-66 S (DT) and Fiat 80-90 (DT), field by field
Field	80-66 S (DT)	80-90 (DT)	Gap
Engine
Engine power, claimed claimed	79.0 hp	79.0 hp	—
Engine declared	FIAT-IVECO 8045.05.206 or 306	FIAT-IVECO 8045.05.205 or 305	differs
Displacement declared	3.91 L	3.91 L	—
Maximum torque declared	185 lb·ft · 251 N·m	185 lb·ft · 251 N·m	—
Transmission
Top speed declared	18.6 mph · 30 km/h	18.6–24.9 mph · 30–40 km/h	differs
Clutch declared	Dry double clutch	dry VALEO, O.M.G. or LuK double clutch	differs
Hydraulics & hitch
Pump flow declared	8.7 gpm · 32.8 L/min	9.4 gpm · 35.5 L/min	+8% 80-90 (DT)
Pressure declared	3,046 psi · 210 bar	3,046–3,118 psi · 210–215 bar	—
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	6,173 lb · 2,800 kg	6,834 lb · 3,100 kg	+11% 80-90 (DT)
Maximum permissible mass declared	10,141 lb · 4,600 kg	11,684 lb · 5,300 kg	+15% 80-90 (DT)
Wheelbase declared	90.7 in · 2,305 mm	92.2 in · 2,342 mm	—
Length declared	139.4 in · 3,540 mm	152.9 in · 3,884 mm	+10% 80-90 (DT)
Width declared	95.3 in · 2,420 mm	76.0–99.6 in · 1,930–2,530 mm	differs
Height, over the cab declared	99.4 in · 2,525 mm	103.0 in · 2,615 mm	—
Ground clearance declared	22.6 in · 575 mm	19.9 in · 505 mm	+14% 80-66 S (DT)
Turning radius, braked declared	12.0 ft · 3.65 m	12.0 ft · 3.65 m	—
Fuel tank declared	77.1 qt · 73.0 L	98.3 qt · 93.0 L	+27% 80-90 (DT)

Source

Source