Compare/Fiat 55-90 vs Fiat 550

Fiat 55-90 vs Fiat 550

Verdict: Fiat 55-90 vs Fiat 550

The Fiat 55-90 and the Fiat 550 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 55 hp. Fiat 550 is the lighter machine (4,784 kg vs 6,526 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Fiat 55-90 holds more fuel (93.1 L vs 54.1 L) for longer stints between fills. Fiat 55-90 is the newer design (1984 vs 1968). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

55 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FiatReference

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

With 14-28 rear tires.Reference

Final drives

planetaryReference

—

Differential lock

hydraulic rearReference

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Variants

55-90

2WDReference

—

55-90DT

4WDReference

—

550DT

—

4WDReference

Engine

Fuel tank

93.1 LReference

54.1 LReference

Engine

41.0 kWReference

Displacement

2.7 LReference

3.1 LReference

Bore/Stroke

100 x 115 mmReference

95 x 110 mmReference

Power

41.0 kWReference

Air cleaner

oil bathReference

—

Rated RPM

2500Reference

2400Reference

Starter type

electricReference

Transmission

Gears

20 forward and 8 reverseReference

8 forward and 2 reverseReference

Type

creeperReference

gearReference

PTO & Hydraulics

Pump flow

33.7 lpmReference

22.0 lpmReference

Rear Type

II/IReference

Rear lift

2899 kgReference

1820 kgReference

Rear PTO

independentReference

—

Clutch

280mm dry discReference

—

Rear PTO Type

540/1000Reference

540 (1.375)Reference

Engine RPM

1000@2375Reference

—

Dimensions

2WD Wheelbase

223 cmReference

—

4WD Wheelbase

219 cmReference

—

Weight

6526 to 6923 poundsReference

4784 to 5380 poundsReference

Front tire

7.50-16Reference

6.00-19Reference

2WD Rear tire

16.9-28Reference

—

2WD Standard tires (ag)

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

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4WD Standard tires (ag)

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

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2WD Optional tires (ag)

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

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4WD Optional tires (ag)

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

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Length

336 cmReference

342 cmReference

2WD Height (cab)

249 cmReference

—

4WD Height (cab)

252 cmReference

—

2WD Weight

2960 kgReference

2170 kgReference

4WD Weight

3140 kgReference

2440 kgReference

2WD Front tread

139 to 189 cmReference

—

4WD Front tread

154 to 187 cmReference

—

Rear tread

150 to 199 cmReference

—

Wheelbase

—

207 cmReference

Rear tire

—

14-28Reference

Ag front

—

6.00-19Reference

Ag rear

—

11-36Reference

Width

—

180 cmReference

Height (hood)

—

141 cmReference

Ground clearance

—

44 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.