Compare/Fiat 55-46 vs Fiat 55-90

Fiat 55-46 vs Fiat 55-90

Verdict: Fiat 55-46 vs Fiat 55-90

The Fiat 55-46 and the Fiat 55-90 are both tractors — here is how they stack up on the figures that matter. Fiat 55-90 leads on rated power with 55 hp against 54 hp. Fiat 55-46 is the lighter machine (4,431 kg vs 6,526 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the Fiat 55-90 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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Tell us about your operation

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

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

Final drives

—

planetaryReference

Differential lock

—

hydraulic rearReference

Variants

55-46DT

4WDReference

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55-90

—

2WDReference

55-90DT

—

4WDReference

Engine

40.4 kWReference

41.0 kWReference

Displacement

2.7 LReference

Bore/Stroke

100 x 115 mmReference

Power

40.4 kWReference

41.0 kWReference

Compression

17:1Reference

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Rated RPM

2500Reference

Firing order

1-2-3Reference

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Starter

electricReference

—

Starter volts

12Reference

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Fuel tank

—

93.1 LReference

Air cleaner

—

oil bathReference

Starter type

—

electricReference

Transmission

Gears

12 forward and 3 reverseReference

20 forward and 8 reverseReference

Clutch

279.4mm dry discReference

280mm dry discReference

PTO & Hydraulics

Type

creeperReference

Pressure

190.0 barReference

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Valves

0 to 2Reference

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Pump flow

26.5 lpmReference

33.7 lpmReference

Rear Type

II/IReference

Rear lift (at ends)

1920 kgReference

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Rear lift (at 24"/610mm)

1579 kgReference

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Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

540/1000Reference

Engine RPM

540@2160Reference

1000@2375Reference

Rear lift

—

2899 kgReference

Dimensions

2WD Wheelbase

205 cmReference

223 cmReference

4WD Wheelbase

201 cmReference

219 cmReference

Weight

4431 to 4894 poundsReference

6526 to 6923 poundsReference

Front tire

6.00-16Reference

7.50-16Reference

2WD Rear tire

14.9/13-28Reference

16.9-28Reference

2WD Standard tires (ag)

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

Front: 7.50-16. Rear: 16.9-28Reference

4WD Standard tires (ag)

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

Front: 12.4-20. Rear: 16.9-28Reference

2WD Optional tires (ag)

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

Front: 7.50-16. Rear: 12.4-36Reference

4WD Optional tires (ag)

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

Front: 11.2-24. Rear: 12.4-36Reference

2WD Length

320 cmReference

—

4WD Length

327 cmReference

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2WD Ground clearance

49 cmReference

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4WD Ground clearance

32 cmReference

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2WD

2009 kgReference

—

4WD

2219 kgReference

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2WD Ballasted

2750 kgReference

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4WD Ballasted

2960 kgReference

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Length

—

336 cmReference

2WD Height (cab)

—

249 cmReference

4WD Height (cab)

—

252 cmReference

2WD Weight

—

2960 kgReference

4WD Weight

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3140 kgReference

2WD Front tread

—

139 to 189 cmReference

4WD Front tread

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154 to 187 cmReference

Rear tread

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150 to 199 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

—

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.