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Fiat 766 vs Fiat 80-66S
Verdict: Fiat 766 vs Fiat 80-66S
The Fiat 766 and the Fiat 80-66S are both tractors — here is how they stack up on the figures that matter. Fiat 80-66S leads on rated power with 79 hp against 78 hp. Fiat 80-66S is the lighter machine (5,798 kg vs 6,700 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 80-66S is the newer design (1992 vs 1984). In short: choose the Fiat 80-66S for outright pulling power, or the Fiat 766 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Fiat
62
Fit score
Best match
Clear
Fiat
62
Fit score
Best match
Clear
Rated power
78 hp
79 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
FiatReference
FiatReference
liquid-cooledReference
liquid-cooledReference
Variants
766
2WDReference
—
766DT
4WDReference
—
Engine
Fuel tank
72.7 LReference
—
Engine
58.2 kWReference
58.8 kWReference
Displacement
3.7 LReference
3.6 LReference
Bore/Stroke
103 x 110 mmReference
100 x 115 mmReference
Power
58.2 kWReference
58.8 kWReference
Rated RPM
2440Reference
2500Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Transmission
Gears
12 forward and 4 reverseReference
20 forward and 12 reverseReference
Type
—
creeperReference
PTO & Hydraulics
Pump flow
33.7 lpmReference
—
Rear Type
IIReference
—
Rear lift
3580 kgReference
3564 kgReference
Rear PTO Type
540/1000Reference
540/1000Reference
Dimensions
2WD Wheelbase
230 cmReference
230 cmReference
4WD Wheelbase
225 cmReference
224 cmReference
Weight
6700 to 7275 poundsReference
5798 to 6526 poundsReference
Length
393 cmReference
—
2WD Weight
3039 kgReference
—
4WD Weight
3299 kgReference
—
Front tire
—
7.50-18Reference
2WD Rear tire
—
13.6/12-38Reference
2WD Standard tires (ag)
—
Front: 7.50-18. Rear: 13.6/12-38Reference
4WD Standard tires (ag)
—
Front: 11.2/10-28. Rear: 13.6/12-38Reference
2WD Length
—
351 cmReference
4WD Length
—
348 cmReference
2WD ROPS Weight
—
2629 kgReference
4WD ROPS Weight
—
2960 kgReference
2WD Ground clearance
—
52 cmReference
4WD Ground clearance
—
43 cmReference
2WD Front tread
—
140 to 190 cmReference
4WD Front tread
—
155 to 200 cmReference
Rear tread
—
139 to 199 cmReference
2WD Steering wheel
—
167 cmReference
4WD Steering wheel
—
169 cmReference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Fiat 80-66S Height
2WD Hood
—
149 cmReference
4WD Hood
—
151 cmReference
ROPS
—
251 cmReference
Cab
—
251 cmReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.