| Manufacturer |
Fiat |
| Price |
- |
| Model |
55-90 |
| Equipment Type |
Utility Tractors |
| Factory |
|
VARIANTS
FIAT 55-90 POWER
ENGINE DETAIL
The Fiat 55-90 features a robust 2.7L, 3-cylinder diesel engine, delivering 55hp at a rated 2500 RPM, making it suitable for medium-duty agricultural tasks. The oil bath air cleaner enhances engine longevity by reducing dust intake, though it may require more maintenance compared to dry filters. Challenges include potential power limitations in more demanding applications; however, its relatively compact size can provide advantages in maneuverability on smaller farms.
| Description |
Fiat 8035.06 diesel 3-cylinder liquid-cooled |
| Displacement |
165.4ci / 2.7L |
| Bore/Stroke |
3.94x4.53inches / 100 x 115mm |
| Power |
55hp / 41.0kW |
| Air cleaner |
oil bath |
| Rated RPM |
2500 |
| Starter type |
electric |
FIAT 55-90 ENGINE
The Fiat 55-90 is equipped with a robust 2.7L three-cylinder diesel engine, delivering reliable torque suitable for various agricultural applications. With a fuel capacity of 24.6 gallons (93.1 liters), it provides considerable range for extended fieldwork, reducing the need for frequent refueling. However, the compact engine size may limit power output in heavy-duty tasks, making it ideal for light to medium operations rather than high-load scenarios.
| Description |
Fiat 2.7L 3-cyl diesel |
| Fuel tank |
24.6gal / 93.1L |
TRANSMISSIONS OVERVIEW
The Fiat 55-90 tractor features a versatile 12-speed transmission with an optional 12-speed shuttle and a 20-speed creeper gear system, enhancing its adaptability in various field conditions. The shuttle capability allows for quick direction changes, improving efficiency in tasks such as plowing or loading. However, operators should consider potential challenges with gear shifting precision, particularly in demanding terrains or during repetitive maneuvers.
| Description |
12-speed 12-speed shuttle 20-speed creeper |
TRANSMISSION 1
The Fiat 55-90 tractor features a 12 forward and 4 reverse gear configuration, providing versatile speed and torque options suitable for a variety of field operations. The 280mm dry disc clutch enhances durability and responsiveness during engagement, although it may require more frequent maintenance under heavy use. This gearbox setup is particularly advantageous for tasks requiring smooth transitions between different operational ranges, such as plowing and mowing on varying terrain.
| Gears |
12 forward and 4 reverse |
| Clutch |
280mm dry disc |
| Description |
Four gears (1-4) in three ranges (low, medium, high) plus reverse range |
TRANSMISSION 2
The Fiat 55-90 tractor features a 12-speed shuttle transmission that allows for efficient gear selection across three ranges, enhancing versatility during various tasks. Its left-hand shuttle lever provides convenient control for forward and reverse operations, facilitating easier maneuverability in tight spaces. However, the 280mm dry disc clutch may require careful maintenance to ensure optimal performance, especially under heavy loads.
| Type |
shuttle |
| Gears |
12 forward and reverse |
| Clutch |
280mm dry disc |
| Description |
Four gears (1-4) in three ranges (low, medium, high) with left-hand shuttle |
TRANSMISSION 3
The Fiat 55-90 tractor features a specialized creeper transmission, providing 20 forward and 8 reverse gears, which is advantageous for precision tasks such as tilling or moving heavily laden implements at low speeds. The inclusion of two additional forward and one reverse creeper ranges enhances its versatility, allowing for better torque management in various agricultural scenarios. However, the 280mm dry disc clutch may require more frequent maintenance under heavy use, potentially affecting long-term operational costs.
| Type |
creeper |
| Gears |
20 forward and 8 reverse |
| Clutch |
280mm dry disc |
| Description |
Additional two forward and one reverse creeper ranges added to the basic transmission |
MECHANICAL
The Fiat 55-90 tractor features a robust 4x4 MFWD option, providing enhanced traction for challenging terrains and heavy-duty tasks, making it ideal for agricultural applications. The hydraulic rear differential lock, combined with planetary final drives, ensures superior maneuverability and control in varied field conditions. Its 12-speed or 20-speed creeper transmission offers flexibility in speed management, enhancing its utility for both high-speed operations and slow, precise tasks.
| Chassis |
4x2 2WD/4x4 MFWD 4WD |
| Final drives |
planetary |
| Differential lock |
hydraulic rear |
| Steering |
power |
| Brakes |
hydraulic wet disc |
| Cab |
Cab standard with heater |
| Transmissions |
12-speed 12-speed shuttle 20-speed creeper |
HYDRAULICS
| Pump flow |
8.9gpm / 33.7lpm |
TRACTOR HITCH
| Rear Type |
II/I |
| Rear lift |
6393lbs / 2899kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Clutch |
280mm dry disc |
| Rear RPM |
540/540/1000 |
| Engine RPM |
540@2200/1000@2375 |
FIAT 55-90 TIRES
The Fiat 55-90 tractor offers versatile tire configurations, enhancing its adaptability for various agricultural tasks. The 2WD variants with standard tires are optimized for lighter soil conditions, while the 4WD configurations provide improved traction and stability on uneven terrain, making them ideal for heavy-duty applications. However, tire choice can impact the tractor's overall performance, fuel efficiency, and soil compaction, so selecting the appropriate setup based on the farming environment is crucial.
| 2WD Standard tires (ag) |
Front: 7.50-16. Rear: 16.9-28 |
| 4WD Standard tires (ag) |
Front: 12.4-20. Rear: 16.9-28 |
| 2WD Optional tires (ag) |
Front: 7.50-16. Rear: 12.4-36 |
| 4WD Optional tires (ag) |
Front: 11.2-24. Rear: 12.4-36 |
DIMENSIONS
| 2WD Wheelbase |
87.8inches / 223cm |
| 4WD Wheelbase |
86.6inches / 219cm |
| Length |
132.3inches / 336cm |
| 2WD Height (cab) |
98.4inches / 249cm |
| 4WD Height (cab) |
99.6inches / 252cm |
| 2WD Weight |
6526lbs / 2960kg |
| 4WD Weight |
6923lbs / 3140kg |
| 2WD Front tread |
55.1 to 74.8inches / 139 to 189cm |
| 4WD Front tread |
61 to 74inches / 154 to 187cm |
| Rear tread |
59.1 to 78.7inches / 150 to 199cm |
DIMENSIONS & TIRES
The Fiat 55-90 tractor features a robust weight range of 6526 to 6923 pounds, enhancing stability during operation, particularly in fieldwork scenarios. Its 2WD configuration with an 87.8-inch wheelbase provides excellent maneuverability but may limit traction compared to the 4WD variant, which offers improved soil engagement with its slightly shorter wheelbase of 86.6 inches. The tire specifications (7.50-16 front and 16.9-28 rear) indicate a capacity for moderate-load agricultural applications, yet tire selection should be matched to specific terrain types for optimal performance.
| 2WD Wheelbase |
87.8inches / 223cm |
| 4WD Wheelbase |
86.6inches / 219cm |
| Weight |
6526 to 6923 pounds |
| Front tire |
7.50-16 |
| 2WD Rear tire |
16.9-28 |
