12 material differences

Tractor oneFiat 80-66 S (DT)1984–1991No measured PTO figureTractor twoSteyr 8090 (a)1983–1992No measured PTO figure

Which should you choose?

Read our verdict on the 80-66 S (DT) and the 8090 (a) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

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

Fiat 80-66 S (DT) and Steyr 8090 (a), field by field
Field	80-66 S (DT)	8090 (a)	Gap
Engine
Engine power, claimed claimed	79.0 hp	79.0 hp	—
Engine declared	FIAT-IVECO 8045.05.206 or 306	Steyr WD-411.87 or WD-411.88	differs
Displacement declared	3.91 L	3.46 L	+13% 80-66 S (DT)
Maximum torque declared	185 lb·ft · 251 N·m	231 lb·ft · 313 N·m	+25% 8090 (a)
Transmission
Top speed declared	18.6 mph · 30 km/h	15.5–24.9 mph · 25–40 km/h	differs
Clutch declared	Dry double clutch	Dry Fichtel & Sachs double clutch or LuK double clutch	differs
Hydraulics & hitch
Pump flow declared	8.7 gpm · 32.8 L/min	10.3 gpm · 39.0 L/min	+19% 8090 (a)
Pressure declared	3,046 psi · 210 bar	3,553 psi · 245 bar	+17% 8090 (a)
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	6,173 lb · 2,800 kg	6,945 lb · 3,150 kg	+13% 8090 (a)
Maximum permissible mass declared	10,141 lb · 4,600 kg	—	—
Wheelbase declared	90.7 in · 2,305 mm	86.4 in · 2,195 mm	—
Length declared	139.4 in · 3,540 mm	148.4 in · 3,770 mm	+6% 8090 (a)
Width declared	95.3 in · 2,420 mm	77.2–83.3 in · 1,960–2,115 mm	differs
Height, over the cab declared	99.4 in · 2,525 mm	98.2 in · 2,495 mm	—
Ground clearance declared	22.6 in · 575 mm	16.7 in · 425 mm	+35% 80-66 S (DT)
Turning radius, braked declared	12.0 ft · 3.65 m	12.1 ft · 3.68 m	—
Fuel tank declared	77.1 qt · 73.0 L	101.4 qt · 96.0 L	+32% 8090 (a)

Source

Source