Overview
The Fiat 55-46 is a utility farm tractor produced from 1984 to 1989, available in both 2WD and 4WD configurations. It is equipped with a 2.7L 3-cylinder diesel engine rated at 54.2 hp and features either an 8-speed partially synchronized or a 12-speed creeper transmission. The model includes an open center hydraulic system with a 7 gpm pump flow and a Category II/I rear hitch capable of lifting up to 4,233 pounds at the ends.
Ideal Applications
Engine and Power Specifications:
The tractor is powered by a Fiat 8035.06 165 ci 3-cylinder liquid-cooled diesel engine that produces 54.2 hp at 2500 rated RPM.
Transmission and Drive System:
Mechanical configurations include 8-speed or 12-speed transmissions with partially synchronized gears and a 279.4mm dry disc clutch for 2WD or 4WD operation.
Hydraulic and Hitch Capacity:
The unit features an open center hydraulic system operating at 2756 psi and a rear lift capacity of 3483 lbs at 24 inches from the hitch.
Production
| Description | Utility tractor |
|---|---|
| Manufacturer | Fiat |
Engine
| Engine type | Fiat 2.7L 3-cyl diesel |
|---|---|
| Bore/Stroke | 3.937x4.528 inches (100 x 115 mm) |
| Compression | 17:1 |
| Description | Fiat 8035.06 / diesel / 3-cylinder / liquid-cooled |
| Displacement | 165 ci (2.7 L) |
| Firing order | 1-2-3 |
| Power | 54.2 hp (40.4 kW) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Clutch | 279.4mm dry disc |
|---|---|
| Description | Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges. |
| Gears | 8 forward and 2 reverse / 12 forward and 3 reverse |
| Type | partially synchronized / creeper |
| Transmission type | 8-speed partially synchronized / 12-speed creeper |
| Transmission type | 8-speed partially synchronized / 12-speed creeper |
Mechanical
| Cab | Four-post ROPS. Cab available with heater. |
|---|---|
| Description | Power steering / Mechanical band brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pressure | 2756 psi (190.0 bar) |
|---|---|
| Pump flow | 7 gpm (26.5 lpm) |
| Type | open center |
| Valves | 0 to 2 |
Hitch
| Rear lift (at 24"/610mm) | 3483 lbs (1579 kg) |
|---|---|
| Rear lift (at ends) | 4233 lbs (1920 kg) |
| Rear Type | II/I |
PTO
| Engine RPM | 540@2160 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 33 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Ground clearance | 19.5 inches (49 cm) |
|---|---|
| 2WD Length | 126 inches (320 cm) |
| 2WD Wheelbase | 80.8 inches (205 cm) |
| 4WD Ground clearance | 12.6 inches (32 cm) |
| 4WD Length | 128.9 inches (327 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| 2WD Rear tire | 14.9/13-28 |
| 2WD Wheelbase | 80.8 inches (205 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| Front tire | 6.00-16 |
| Weight | 4431 to 4894 pounds |
| 2WD Optional tires (ag) | Front: 6.00-16. Rear: 13.6/12-28 / Front: 6.00-16. Rear: 12.4/11-32 / Front: 7.50-16. Rear: 12.4/11-32 |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 14.9/13-28 |
| 4WD Optional tires (ag) | Front: 8.00-20. Rear: 13.6/12-28 / Front: 8.3/8-24. Rear: 12.4/11-32 / Front: 9.5/9-20. Rear: 13.6/12-28 / Front: 11.2/10-20. Rear: 14.9/13-28 / Front: 11.2/10-20. Rear: 12.4/11-32 |
| 4WD Standard tires (ag) | Front: 11.2/10-20. Rear: 14.9/13-28 |
55-46 Serial Numbers
| Location: | Serial number on the left side of the 55-46, behind the rear axle. |
|---|
Fiat 55-46 Height
| 2WD Hood | 56.1 inches (142 cm) |
|---|---|
| 4WD Hood | 55.9 inches (141 cm) |
| Exhaust | 92.7 inches (235 cm) |
| ROPS | 90.2 inches (229 cm) |
Fiat 55-46 Weight
| 2WD | 4431 lbs (2009 kg) |
|---|---|
| 2WD Ballasted | 6063 lbs (2750 kg) |
| 4WD | 4894 lbs (2219 kg) |
| 4WD Ballasted | 6526 lbs (2960 kg) |
References
| Description | Fiat 55-46 65-46 (603.64.017.00) published in 1985 |
|---|
Speeds
| Description | With 14.9/13-28 rear tires. / With 14.9/13-28 rear tires. |
|---|
Variants
| 55-46DT | 4WD |
|---|