Production
| Description | Utility tractor / Original price was $23,500 in 1984 |
|---|---|
| Manufacturer | Hesston (a part of Fiat) |
Engine
| Engine type | Fiat 3.7L 4-cyl diesel |
|---|---|
| Fuel tank | 21.1 gal (79.9 L) |
| Bore/Stroke | 4.03x4.33 inches (102 x 110 mm) |
| Compression | 17:1 |
| Description | Fiat 8045 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 224 ci (3.7 L) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (tested) | 62.88 hp (46.9 kW) |
| PTO (claimed) | 70 hp (52.2 kW) |
| PTO (tested) | 70.57 hp (52.6 kW) |
Transmission
| Description | Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges. / Four gears with four ranges provides sixteen forward speeds. |
|---|---|
| Gears | 8 forward and 2 reverse / 16 forward and 4 reverse / 8 forward and reverse |
| Type | partially synchronized / mechanical shuttle |
| Transmission type | 8-speed partially synchronized / 16-speed / 8-speed mechanical shuttle |
| Transmission type | 8-speed partially synchronized / 16-speed / 8-speed mechanical shuttle |
Mechanical
| Description | Power steering / Differential hydraulic wet disc brakes / ROPS standard, Supercomfort cab optional with air conditioning. Optional radio, cassette, and CB radio. |
|---|---|
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pressure | 2702 psi (186.3 bar) |
|---|---|
| Pump flow | 11 gpm (41.6 lpm) |
| Type | open center |
| Valves | 2 |
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 45 |
| Charging system | alternator |
Dimensions & Tires
| 2WD Length | 135 inches (342 cm) |
|---|---|
| 4WD Length | 144 inches (365 cm) |
| Wheelbase | 89 inches (226 cm) |
| Front tire | 7.50-16 |
| Rear tire | 18.4-30 |
| Weight | 5495 to 6200 pounds |
| Wheelbase | 89 inches (226 cm) |
| Ag front | 7.50-16 (2WD) |
| Ag rear | 18.4-30 |
Hesston 780 Height
| 2WD Hood | 59.5 inches (151 cm) |
|---|---|
| 4WD Hood | 60 inches (152 cm) |
| Cab | 103.5 inches (262 cm) |
| ROPS | 102.5 inches (260 cm) |
Hesston 780 Weight
| 2WD Operating | 5495 lbs (2492 kg) |
|---|---|
| 4WD Operating | 6200 lbs (2812 kg) |
| Ballasted | 10100 lbs (4581 kg) |
Hesston 780 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1294
| Description | Diesel 16-speed 2WDOctober 19 - November 1, 1978Link: Nebraska Tractor Test 1294 file / PTO performance / Drawbar performance / Gear 4N used for power test. |
|---|---|
| Fuel use | 4.7 gal/hour (17.8 l/hour) / 4.3 gal/hour (16.3 l/hour) / 4.5 gal/hour (17.0 l/hour) |
| Max power | 62.88 hp (46.9 kW) |
| Power at rated engine speed | 70.36 hp (52.5 kW) |
| Power at rated PTO speed | 66.30 hp (49.4 kW) |
Nebraska Tractor Test 1386
| Description | Diesel 8-speed 4WDApril 21 - 29, 1981Link: Nebraska Tractor Test 1386 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 4.4 gal/hour (16.7 l/hour) / 4.0 gal/hour (15.1 l/hour) / 4.4 gal/hour (16.7 l/hour) |
| Max power | 59.97 hp (44.7 kW) |
| Power at rated engine speed | 70.57 hp (52.6 kW) |
| Power at rated PTO speed | 66.67 hp (49.7 kW) |
References
| Description | 80 Series Tractors - 50-90 PTO HP published in 1981, by Hesston |
|---|
Speeds
| Description | With 18.4-30 rear tires. / With 18.4-30 rear tires. / With 18.4-30 rear tires. |
|---|
Tractor Tests
| Description | NTTL 1294: diesel 16-speed 2WD / NTTL 1386: diesel 8-speed 4WD |
|---|
Variants
| 780 | 2WD |
|---|---|
| 780DT | 4WD |