Compare/Fiat 640 vs Fiat 65-66S

Fiat 640 vs Fiat 65-66S

Verdict: Fiat 640 vs Fiat 65-66S

The Fiat 640 and the Fiat 65-66S are both tractors — here is how they stack up on the figures that matter. Fiat 65-66S leads on rated power with 64 hp against 62 hp. Fiat 640 is the lighter machine (4,961 kg vs 5,159 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 1973). In short: choose the Fiat 65-66S for outright pulling power, or the Fiat 640 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

62 hp

64 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FiatReference

With 16.9-30 rear tires.Reference

liquid-cooledReference

Variants

640

2WDReference

—

640DT

4WDReference

—

Engine

Fuel tank

54.1 LReference

—

Engine

47.7 kWReference

47.9 kWReference

Displacement

3.5 LReference

3.6 LReference

Bore/Stroke

100 x 110 mmReference

100 x 115 mmReference

Power

47.7 kWReference

47.9 kWReference

Fuel system

direct injectionReference

—

Compression

17:1Reference

—

Rated RPM

2400Reference

2500Reference

Torque

212.1 NmReference

—

Torque RPM

1600Reference

—

Starter

electricReference

Starter volts

12Reference

Transmission

Type

gearReference

creeperReference

Gears

8 forward and 2 reverseReference

20 forward and 12 reverseReference

PTO & Hydraulics

PTO (claimed)

46.2 kWReference

—

Pump flow

22.0 lpmReference

—

Rear Type

II/IReference

—

Rear lift (at ends)

1850 kgReference

—

Rear PTO Type

540Reference

540/1000Reference

Engine RPM

540@1970Reference

—

Rear lift

—

3564 kgReference

Dimensions

2WD Wheelbase

207 cmReference

229 cmReference

4WD Wheelbase

213 cmReference

224 cmReference

Weight

4961 to 6174 poundsReference

5159 to 5644 poundsReference

Front tire

7.50-16Reference

6.00-16Reference

2WD Rear tire

14-30Reference

14.9/13-28Reference

2WD Standard tires (ag)

Front: 7.50-16. Rear: 14-30Reference

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

4WD Standard tires (ag)

Front: 9.5x24. Rear: 16.9-30Reference

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

2WD Length

317 cmReference

341 cmReference

4WD Length

336 cmReference

341 cmReference

2WD Weight

2250 kgReference

—

4WD Weight

2800 kgReference

—

Front tread

132 to 201 cmReference

—

Rear tread

130 to 199 cmReference

142 to 192 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

4WD Front tread

—

144 to 187 cmReference

2WD Steering wheel

—

157 cmReference

4WD Steering wheel

—

158 cmReference

Fiat 640 Height

2WD Hood

142 cmReference

4WD Hood

148 cmReference

139 cmReference

ROPS

268 cmReference

241 cmReference

Speeds

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

Fiat 65-66S Height

Cab

—

232 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.