Compare/Fiat 50-66 vs Fiat 580

Fiat 50-66 vs Fiat 580

Verdict: Fiat 50-66 vs Fiat 580

The Fiat 50-66 and the Fiat 580 are both tractors — here is how they stack up on the figures that matter. Fiat 580 leads on rated power with 50 hp against 49 hp. Fiat 50-66 is the lighter machine (4,255 kg vs 5,149 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 580 holds more fuel (79.9 L vs 45.0 L) for longer stints between fills. Fiat 50-66 is the newer design (1989 vs 1978). In short: choose the Fiat 580 for outright pulling power, or the Fiat 50-66 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

49 hp

50 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FiatReference

liquid-cooledReference

Four gears (1-4) plus reverse (R) in four ranges (creeper/low/intermediate/high).Reference

Final drives

—

planetaryReference

Engine

Fuel tank

45.0 LReference

79.9 LReference

Engine

36.8 kWReference

42.7 kWReference

Displacement

2.7 LReference

2.8 LReference

Bore/Stroke

100 x 115 mmReference

103 x 110 mmReference

Power

36.8 kWReference

42.7 kWReference

Rated RPM

2500Reference

2700Reference

Starter type

electricReference

—

Air cleaner

—

dual dry elementReference

Compression

—

17:1Reference

Firing order

—

1-2-3Reference

Starter volts

—

12Reference

Transmission

Gears

12 forward and 4 reverseReference

16 forward and 4 reverseReference

Type

—

creeperReference

PTO & Hydraulics

Rear lift

2125 kgReference

2400 kgReference

Rear PTO Type

540/1000Reference

540 (1.375)Reference

PTO (claimed)

—

37.3 kWReference

Pump flow

—

28.0 lpmReference

Rear Type

—

II/IReference

Rear PTO

—

independentReference

Engine RPM

—

540@2314Reference

Dimensions

2WD Wheelbase

199 cmReference

217 cmReference

4WD Wheelbase

189 cmReference

215 cmReference

Weight

4255 to 4740 poundsReference

5149 to 5766 poundsReference

Front tire

6.00-16Reference

6.00-19Reference

2WD Rear tire

13.6R28Reference

12.4/11-36Reference

2WD Standard tires (ag)

Front: 6.00-16. Rear: 13.6R28Reference

Front: 6.00-19. Rear: 12.4/11-36Reference

4WD Standard tires (ag)

Front: 9.5R20. Rear: 13.6R28Reference

Front: 11.2/10-24. Rear: 12.4/11-36Reference

Length

324 cmReference

—

2WD Weight

1930 kgReference

2335 kgReference

4WD Weight

2150 kgReference

2615 kgReference

Optional tires (ag)

—

Front: 9.5/9-24. Rear: 14.9/13-30Reference

2WD Length

—

332 cmReference

4WD Length

—

343 cmReference

2WD Clearance (front axle)

—

48 cmReference

4WD Clearance (front axle)

—

40 cmReference

2WD Front tread

—

139 to 189 cmReference

4WD Front tread

—

152 to 195 cmReference

Rear tread

—

139 to 199 cmReference

2WD Steering wheel

—

175 cmReference

4WD Steering wheel

—

177 cmReference

Variants

570

—

orchardReference

580

—

utilityReference

Electrical

Ground

—

negativeReference

Charging system

—

alternatorReference

Charging amps

—

33Reference

Battery volts

—

12Reference

Fiat 580 Height

2WD Hood

—

147 cmReference

4WD Hood

—

148 cmReference

Cab

—

249 cmReference

2WD Exhaust

—

250 cmReference

4WD Exhaust

—

251 cmReference

Speeds

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.