Compare/Fiat 750S Special vs Fiat 80-66S

Fiat 750S Special vs Fiat 80-66S

Verdict: Fiat 750S Special vs Fiat 80-66S

The Fiat 750S Special and the Fiat 80-66S are both tractors — here is how they stack up on the figures that matter. Fiat 750S Special leads on rated power with 80 hp against 79 hp. Fiat 80-66S is the lighter machine (5,798 kg vs 6,724 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 1971). In short: choose the Fiat 750S Special for outright pulling power, or the Fiat 80-66S if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Fiat

Fit score

Best match

Clear

Fiat

Fit score

Best match

Clear

Rated power

80 hp

79 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FiatReference

liquid-cooledReference

Final drives

spur gearReference

—

Differential lock

mechanical rearReference

—

Steering

powerReference

—

Engine

Fuel tank

78.0 LReference

—

Engine

59.7 kWReference

58.8 kWReference

Displacement

4.6 LReference

3.6 LReference

Bore/Stroke

110 x 120 mmReference

100 x 115 mmReference

Power

59.7 kWReference

58.8 kWReference

Fuel system

direct injectionReference

—

Compression

157:1Reference

—

Rated RPM

2100Reference

2500Reference

Starter volts

12Reference

Starter

—

electricReference

Transmission

Gears

14 forward and 4 reverseReference

20 forward and 12 reverseReference

PTO & Hydraulics

Type

creeperReference

Pump flow

27.3 lpmReference

—

Rear Type

IIReference

—

Control

position and draft controlReference

—

Rear lift

1995 kgReference

3564 kgReference

Rear PTO

independentReference

—

Rear PTO Type

540/1000 (1.375)Reference

540/1000Reference

Engine RPM

1000@1973Reference

—

Dimensions

2WD Wheelbase

229 cmReference

230 cmReference

4WD Wheelbase

251 cmReference

224 cmReference

Weight

6724 to 7429 poundsReference

5798 to 6526 poundsReference

Front tire

6.50-20Reference

7.50-18Reference

2WD Rear tire

13.6/12-38Reference

2WD Standard tires (ag)

Front: 6.50-20. Rear: 13.6/12-38Reference

Front: 7.50-18. Rear: 13.6/12-38Reference

4WD Standard tires (ag)

Front: 11.2/10-24. Rear: 18.4/15-30Reference

Front: 11.2/10-28. Rear: 13.6/12-38Reference

4WD Optional tires (ag)

Front: 11.2/10-24. Rear: 16.9/14-34Reference

—

2WD Ag front

7.50-20Reference

—

2WD Ag rear

13.6/12-36Reference

—

2WD Length

347 cmReference

351 cmReference

4WD Length

381 cmReference

348 cmReference

2WD Weight

3050 kgReference

—

4WD Weight

3369 kgReference

—

Ground clearance

51 cmReference

—

2WD Front tread

144 to 194 cmReference

140 to 190 cmReference

4WD Front tread

157/167 cmReference

155 to 200 cmReference

Rear tread

130 to 210 cmReference

139 to 199 cmReference

2WD Steering wheel

173 cmReference

167 cmReference

4WD Steering wheel

181 cmReference

169 cmReference

2WD ROPS Weight

—

2629 kgReference

4WD ROPS Weight

—

2960 kgReference

2WD Ground clearance

—

52 cmReference

4WD Ground clearance

—

43 cmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Battery volts

12Reference

Fiat 750S Height

2WD Hood

153 cmReference

149 cmReference

4WD Hood

162 cmReference

151 cmReference

Fiat 80-66S Height

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.