Overview
The Fiat 780 is a farm tractor produced from 1975 to 1984, available in both 2WD and 4WD configurations. It is equipped with a 3.7L four-cylinder diesel engine rated at 78 hp and features a Category II rear hitch with a lift capacity of 5,292 pounds.
Ideal Applications
Engine and Fuel Specifications:
The unit is powered by a Fiat 8045 liquid-cooled diesel engine featuring direct injection and a 21.1-gallon fuel tank.
Transmission and Drive Options:
This model supports multiple gear configurations including 8-speed, 12-speed, and 16-speed transmissions across 2WD and 4WD variants.
Hydraulic and Hitch Capacity:
The hydraulic system utilizes an open center pump with a 6.82 gpm flow rate to support a Rear Type II hitch rated for 5,292 pounds of lift.
Production
| Manufacturer | Fiat |
|---|
Engine
| Engine type | Fiat 3.7L 4-cyl diesel |
|---|---|
| Fuel tank | 21.1 gal (79.9 L) |
| Bore/Stroke | 4.06x4.33 inches (103 x 110 mm) |
| Compression | 17:1 |
| Description | Fiat 8045 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 223.7 ci (3.7 L) |
| Fuel system | direct injection |
| Operating RPM | 1000-2440 |
| Power | 78 hp (58.2 kW) |
| Rated RPM | 2440 |
| Starter volts | 12 |
Transmission
| Description | Four gears in two ranges. / Four gears in three ranges. / Four gears in four ranges. |
|---|---|
| Gears | 8 forward and 2 reverse / 12 forward and 3 reverse / 16 forward and 4 reverse |
| Transmission type | 8-speed / 12-speed / 16-speed |
| Transmission type | 8-speed / 12-speed / 16-speed |
Mechanical
| Cab | Open operator station. Optional four-post ROPS. Optional cab with heater. |
|---|---|
| Description | Hydraulic wet disc brakes |
| Drive | 4x2 2WD |
| Final drives | planetary |
| Steering | hydrostatic power |
| Trailer brakes | hydraulic OptOptional |
Hydraulics
| Pump flow | 6.82 gpm (25.8 lpm) |
|---|---|
| Type | open center |
Hitch
| Control | position and draft control |
|---|---|
| Rear Arms | telecoping (optional) |
| Rear lift | 5292 lbs (2400 kg) |
| Rear Type | II |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery AH | 120 |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Ground clearance | 20.1 inches (51 cm) |
|---|---|
| 2WD Weight | 6482 lbs (2940 kg) |
| 2WD Wheelbase | 89 inches (226 cm) |
| 4WD Ground clearance | 18.1 inches (45 cm) |
| 4WD Weight | 7056 lbs (3200 kg) |
| 4WD Wheelbase | 89.4 inches (227 cm) |
| Front tread | 59.1/63/66.9/70.9/76.2 inches (4WD) (150/160/169/180/193 cm) |
| Height (steering wheel) | 70.9 inches (180 cm) |
| Length | 142.5 inches (361 cm) |
| Rear tread | 55.1/59.1/63/66.9/70.9/74.8/78.7/82.7 inches (139/150/160/169/180/189/199/210 cm) |
| Width | 73 inches (185 cm) |
| 2WD Wheelbase | 89 inches (226 cm) |
| 4WD Wheelbase | 89.4 inches (227 cm) |
| Front tire | 7.50-18 |
| Rear tire | 18.4x30 (2WD) |
| Weight | 6482 to 7056 pounds |
| Standard tires (ag) | Front: 7.50-18. Rear: 18.4x30 (2WD) |
References
| Description | 780dt published in 1978, by Fiat |
|---|
Variants
| 780 | 2WD |
|---|---|
| 780DT | 4WD |