Compare/Fiat 65-66S vs Fiat 65-90

Fiat 65-66S vs Fiat 65-90

Verdict: Fiat 65-66S vs Fiat 65-90

The Fiat 65-66S and the Fiat 65-90 are both tractors — here is how they stack up on the figures that matter. Fiat 65-90 leads on rated power with 65 hp against 64 hp. Fiat 65-66S is the lighter machine (5,159 kg vs 6,283 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 65-66S is the newer design (1992 vs 1987). In short: choose the Fiat 65-90 for outright pulling power, or the Fiat 65-66S 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

64 hp

65 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FiatReference

liquid-cooledReference

Additional two forward and one reverse creeper ranges added to the basic transmission.Reference

Final drives

—

planetaryReference

Differential lock

—

hydraulic rearReference

Engine

47.9 kWReference

48.5 kWReference

Displacement

3.6 LReference

Bore/Stroke

100 x 115 mmReference

Power

47.9 kWReference

48.5 kWReference

Rated RPM

2500Reference

Starter

electricReference

—

Starter volts

12Reference

—

Fuel tank

—

93.1 LReference

Fuel system

—

direct injectionReference

Air cleaner

—

oil bathReference

Starter type

—

electricReference

Transmission

Type

creeperReference

Gears

20 forward and 12 reverseReference

20 forward and 8 reverseReference

PTO & Hydraulics

Rear lift

3564 kgReference

2899 kgReference

Rear PTO Type

540/1000Reference

Pump flow

—

33.7 lpmReference

Rear Type

—

II/IReference

Rear PTO

—

independentReference

Clutch

—

280mm dry discReference

Engine RPM

—

1000@2375Reference

Dimensions

2WD Wheelbase

229 cmReference

233 cmReference

4WD Wheelbase

224 cmReference

230 cmReference

Weight

5159 to 5644 poundsReference

6283 to 6812 poundsReference

Front tire

6.00-16Reference

7.50-16Reference

2WD Rear tire

14.9/13-28Reference

16.9-30Reference

2WD Standard tires (ag)

Front: 6.00-16. Rear: 14.9/13-28Reference

Front: 7.50-16. Rear: 16.9-30Reference

4WD Standard tires (ag)

Front: 11.2/10-20. Rear: 14.9/13-28Reference

Front: 11.2-24. Rear: 16.9-30Reference

2WD Length

341 cmReference

—

4WD Length

341 cmReference

—

2WD ROPS Weight

2340 kgReference

—

4WD ROPS Weight

2560 kgReference

—

2WD Ground clearance

49 cmReference

—

4WD Ground clearance

36 cmReference

—

2WD Front tread

140 to 192 cmReference

139 to 189 cmReference

4WD Front tread

144 to 187 cmReference

154 to 187 cmReference

Rear tread

142 to 192 cmReference

150 to 199 cmReference

2WD Steering wheel

157 cmReference

—

4WD Steering wheel

158 cmReference

—

2WD Optional tires (ag)

—

Front: 7.50-16. Rear: 13.6-36Reference

4WD Optional tires (ag)

—

Front: 11.2-24. Rear: 13.6-36Reference

Length

—

350 cmReference

2WD Height (cab)

—

252 cmReference

4WD Height (cab)

—

241 cmReference

2WD Weight

—

2849 kgReference

4WD Weight

—

3089 kgReference

Electrical

Ground

negativeReference

—

Battery volts

12Reference

—

Fiat 65-66S Height

2WD Hood

142 cmReference

—

4WD Hood

139 cmReference

—

ROPS

241 cmReference

—

Cab

232 cmReference

—

Variants

65-90

—

2WDReference

65-90DT

—

4WDReference

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.