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| info | |
| 1981 - 1984 80 Series, Utility tractor | |
| Series next: | Hesston 880-5 |
| Series back: | Hesston 680 |
| Production | |
| Distributor: | Hesston |
| Manufacturer: | Fiat |
| Original price (USD), $23,500 (1984 ), | |
| Variants | |
| 780: | 2WD |
| 780DT: | 4WD |
| Capacity | |
| Fuel: | 21.1 gal [79.9 L] |
| 3-Point Hitch | |
| Rear Type: | II |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540 |
| Dimensions & Tires | |
| Wheelbase: | 89 inches [226 cm] |
| Weight: | 5495 to 10100 pounds |
| Front tire: | 7.50-16 |
| Rear tire: | 18.4-30 |
| 780 Serial Numbers | |
| - Serial numbers unknown - |
| Hesston 780 Power | |
| PTO (claimed): | 70 hp [52.2 kW] |
| Drawbar (tested): | 62.88 hp [46.9 kW] |
| PTO (tested): | 70.57 hp [52.6 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Steering: | power |
| Brakes: | differential hydraulic wet disc |
| Cab: | ROPS standard, Supercomfort cab optional with air conditioning. Optional radio, cassette, and CB radio. |
| Hydraulics | |
| Type: | open center |
| Pressure: | 2702 psi [186.3 bar] |
| Valves: | 2 |
| Pump flow: | 11 gpm [41.6 lpm] |
| Electrical | |
| Charging system: | alternator |
| Charging amps: | 45, 55*The 55A alternator was used on tractors with cab and air-conditioning. |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.03x4.33 inches [102 x 110 mm] |
| Compression: | 17:1 |
| Rated RPM: | 2500 |
| Starter: | electric |
| Starter volts: | 12 |
| Engine Detail | |
| Fiat 8045, diesel, 4-cylinder, liquid-cooled, 224 ci [3.7 L] |
| info | |
| Speeds: | With 18.4-30 rear tires. |
| Transmission | |
| Type: | partially synchronized |
| Gears: | 8 forward and 2 reverse |
| Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges. | |
| info | |
| Series next: | Hesston 880-5 |
| Series back: | Hesston 680 |
| Dimensions | |
| 2WD Weight (operating): | 5495 lbs [2492 kg] |
| 4WD Weight (operating): | 6200 lbs [2812 kg] |
| Weight (ballasted): | 10100 lbs [4581 kg] |
| Wheelbase: | 89 inches [226 cm] |
| 2WD Length: | 135 inches [342 cm] |
| 4WD Length: | 144 inches [365 cm] |
| 2WD Height (hood): | 59.5 inches [151 cm] |
| 4WD Height (hood): | 60 inches [152 cm] |
| Height (ROPS): | 102.5 inches [260 cm] |
| Height (cab): | 103.5 inches [262 cm] |
| Hesston 780 Tires | |
| Ag front: | 7.50-16 (2WD), 12.4-24 (4WD) |
| Ag rear: | 18.4-30 |
| info | |
| Series next: | Hesston 880-5 |
| Series back: | Hesston 680 |
| Loader | |
| Loader type: | Hesston L340H |