Fiat 80-66 F (DT/F) vs Fiat 80-66 S (DT)

9 material differences · fewer than 12

Tractor one

1984–1991

No measured PTO figure

Tractor two

1984–1991

No measured PTO figure

Which should you choose?

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

9 material differences · 6 fields identical or within 5%, which is not counted as material

Fiat 80-66 F (DT/F) and Fiat 80-66 S (DT), field by field
Field	80-66 F (DT/F)	80-66 S (DT)	Gap
Engine
Engine power, claimed claimed	79.0 hp	79.0 hp	—
Engine declared	FIAT-IVECO 8045.05.206 or 306	FIAT-IVECO 8045.05.206 or 306	—
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 mph · 30 km/h	—
Clutch declared	Dry Valeo or LuK double clutch	Dry double clutch	differs
Hydraulics & hitch
Pump flow declared	—	8.7 gpm · 32.8 L/min	—
Pressure declared	—	3,046 psi · 210 bar	—
Three-point lift at ends declared	6,393 lb · 2,900 kg	7,055 lb · 3,200 kg	+10% 80-66 S (DT)
Rear PTO speeds declared	540/1000 rpm	540/1000 rpm	—
Weight & dimensions
Unladen weight declared	4,497 lb · 2,040 kg	6,173 lb · 2,800 kg	+37% 80-66 S (DT)
Maximum permissible mass declared	—	10,141 lb · 4,600 kg	—
Wheelbase declared	78.8 in · 2,001 mm	90.7 in · 2,305 mm	+15% 80-66 S (DT)
Length declared	121.7 in · 3,090 mm	139.4 in · 3,540 mm	+15% 80-66 S (DT)
Width declared	65.7 in · 1,670 mm	95.3 in · 2,420 mm	+45% 80-66 S (DT)
Height declared	53.7 in · 1,365 mm	99.4 in · 2,525 mm	+85% 80-66 S (DT)
Ground clearance declared	17.1 in · 435 mm	22.6 in · 575 mm	+32% 80-66 S (DT)
Turning radius, braked declared	—	12.0 ft · 3.65 m	—
Fuel tank declared	52.8 qt · 50.0 L	77.1 qt · 73.0 L	+46% 80-66 S (DT)

Source

Source