Compare/Fiat 55-46 vs Fiat 550

Fiat 55-46 vs Fiat 550

Verdict: Fiat 55-46 vs Fiat 550

The Fiat 55-46 and the Fiat 550 are both tractors — here is how they stack up on the figures that matter. Fiat 550 leads on rated power with 55 hp against 54 hp. Fiat 55-46 is the lighter machine (4,431 kg vs 4,784 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 55-46 is the newer design (1984 vs 1968). In short: choose the Fiat 550 for outright pulling power, or the Fiat 55-46 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

54 hp

55 hp

Confidence

40%

Guide price

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Overview

Manufacturer

FiatReference

With 14.9/13-28 rear tires.Reference

With 14-28 rear tires.Reference

Variants

55-46DT

4WDReference

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550DT

—

4WDReference

Engine

40.4 kWReference

41.0 kWReference

Displacement

2.7 LReference

3.1 LReference

Bore/Stroke

100 x 115 mmReference

95 x 110 mmReference

Power

40.4 kWReference

41.0 kWReference

Compression

17:1Reference

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Rated RPM

2500Reference

2400Reference

Firing order

1-2-3Reference

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Starter

electricReference

—

Starter volts

12Reference

—

Fuel tank

—

54.1 LReference

Starter type

—

electricReference

Transmission

Gears

12 forward and 3 reverseReference

8 forward and 2 reverseReference

Clutch

279.4mm dry discReference

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PTO & Hydraulics

Type

creeperReference

gearReference

Pressure

190.0 barReference

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Valves

0 to 2Reference

—

Pump flow

26.5 lpmReference

22.0 lpmReference

Rear Type

II/IReference

Rear lift (at ends)

1920 kgReference

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Rear lift (at 24"/610mm)

1579 kgReference

—

Rear PTO

independentReference

—

Rear PTO Type

540 (1.375)Reference

Engine RPM

540@2160Reference

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Rear lift

—

1820 kgReference

Dimensions

2WD Wheelbase

205 cmReference

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4WD Wheelbase

201 cmReference

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Weight

4431 to 4894 poundsReference

4784 to 5380 poundsReference

Front tire

6.00-16Reference

6.00-19Reference

2WD Rear tire

14.9/13-28Reference

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2WD Standard tires (ag)

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

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4WD Standard tires (ag)

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

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2WD Optional tires (ag)

Front: 7.50-16. Rear: 12.4/11-32Reference

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4WD Optional tires (ag)

Front: 11.2/10-20. Rear: 12.4/11-32Reference

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2WD Length

320 cmReference

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4WD Length

327 cmReference

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2WD Ground clearance

49 cmReference

—

4WD Ground clearance

32 cmReference

—

2WD

2009 kgReference

—

4WD

2219 kgReference

—

2WD Ballasted

2750 kgReference

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4WD Ballasted

2960 kgReference

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Wheelbase

—

207 cmReference

Rear tire

—

14-28Reference

Ag front

—

6.00-19Reference

Ag rear

—

11-36Reference

Length

—

342 cmReference

Width

—

180 cmReference

Height (hood)

—

141 cmReference

2WD Weight

—

2170 kgReference

4WD Weight

—

2440 kgReference

Ground clearance

—

44 cmReference

55-46 Serial Numbers

Location:

Serial number on the left side of the 55-46, behind the rear axle.Reference

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Electrical

Ground

negativeReference

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Charging system

alternatorReference

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Charging amps

33Reference

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Battery volts

12Reference

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Fiat 55-46 Height

2WD Hood

142 cmReference

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4WD Hood

141 cmReference

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ROPS

229 cmReference

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Exhaust

235 cmReference

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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.