Fiat-Hesston
Hesston 780
The Hesston 780 is a utility tractor produced from 1981 to 1984 as part of the 80 Series by Hesston, a part of Fiat. It features a Fiat 3.7L 4-cylinder liquid-cooled diesel engine with 70 hp PTO power. The tractor offers multiple transmission options including 8-speed partially synchronized, 16-speed, and 8-speed mechanical shuttle. It is available in 2WD and 4WD variants and includes features such as power steering, differential hydraulic wet disc brakes, and optional Supercomfort cab with air conditioning. The tractor supports various attachments including the Hesston L340 and L340H loaders.
Power77 hp[P]
Founded1981 - 1984
Model780
Technical Specifications
Detailed specifications and technical data for Hesston 780
Power
| PTO (tested) | 70.57 hp (52.6 kW) |
|---|---|
| PTO (claimed) | 70 hp (52.2 kW) |
| Drawbar (tested) | 62.88 hp (46.9 kW) |
Tires
| Ag rear | 18.4-30 |
|---|---|
| Ag front | 7.50-16 (2WD), 12.4-24 (4WD) |
Engine
| Type | diesel |
|---|---|
| Model | Fiat 8045 |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 21.1 gal (79.9 L) |
| Rated RPM | 2500 |
| Bore/Stroke | 4.03x4.33 inches (102 x 110 mm) |
| Compression | 17:1 |
| Displacement | 224 ci (3.7 L) |
| Starter volts | 12 |
Variants
| 780 | 2WD |
|---|---|
| 780DT | 4WD |
Dimensions
| Wheelbase | 89 inches (226 cm) |
|---|---|
| 2WD Length | 135 inches (342 cm) |
| 4WD Length | 144 inches (365 cm) |
| Cab Height | 103.5 inches (262 cm) |
| ROPS Height | 102.5 inches (260 cm) |
| 2WD Hood Height | 59.5 inches (151 cm) |
| 4WD Hood Height | 60 inches (152 cm) |
| Ballasted Weight | 10100 lbs (4581 kg) |
| 2WD Operating Weight | 5495 lbs (2492 kg) |
| 4WD Operating Weight | 6200 lbs (2812 kg) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 45 (55A alternator used on tractors with cab and air-conditioning) |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 2 |
| Pressure | 2702 psi (186.3 bar) |
| Pump flow | 11 gpm (41.6 lpm) |
Mechanical
| Cab | Supercomfort cab optional with air conditioning |
|---|---|
| ROPS | standard |
| Drive | Two- or four-wheel drive |
| Brakes | Differential hydraulic wet disc brakes |
| Steering | Power steering |
| Optional equipment | Optional radio, cassette, and CB radio |
Production
| Series | 80 Series |
|---|---|
| Category | Utility tractor |
| Years made | 1981 - 1984 |
| Original price | $23,500 in 1984 |
Attachments
| Attachment overview | Hesston L340 loader, Hesston L340H loader |
|---|
Transmission
| Options | 8-speed partially synchronized, 16-speed, 8-speed mechanical shuttle |
|---|---|
| 16-speed Gears | 16 forward and 4 reverse |
| 16-speed Details | Four gears with four ranges provides sixteen forward speeds. |
| 8-speed mechanical shuttle Type | mechanical shuttle |
| 8-speed mechanical shuttle Gears | 8 forward and reverse |
| 8-speed partially synchronized Type | partially synchronized |
| 8-speed partially synchronized Gears | 8 forward and 2 reverse |
| 8-speed partially synchronized Details | Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges. |
Tractor hitch
| Rear Type | II |
|---|
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |