Tractor · 1981Unverified
Hesston 780
Hesston 780 — 80 Series · 70 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
70 hp
Max power
46.9 kW
Weight
5495 to 6200 pounds
Hover a source tag to verify
Overview
ManufacturerHesston (a part of Fiat)Reference
Utility tractorReference
Original price was $23,500 in 1984Reference
Two- or four-wheel driveReference
Power steeringReference
Differential hydraulic wet disc brakesReference
ROPS standard, Supercomfort cab optional with air conditioning. Optional radio, cassette, and CB radio.Reference
Variants
7802WDReference
780DT4WDReference
Engine
Fiat 3.7L 4-cyl dieselReference
Fuel tank79.9 LReference
Drawbar (tested)46.9 kWReference
Fiat 8045Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.7 LReference
Bore/Stroke102 x 110 mmReference
Compression17:1Reference
Rated RPM2500Reference
StarterelectricReference
Starter volts12Reference
Power at rated engine speed52.5 kWReference
Max power46.9 kWReference
Power at rated engine speed52.6 kWReference
Max power44.7 kWReference
Transmission
8-speed partially synchronizedReference
16-speedReference
8-speed mechanical shuttleReference
Typepartially synchronizedReference
Gears8 forward and 2 reverseReference
Four gears with high and low ranges provide eight forward speeds. Gears 3/4 are synchronized in both ranges.Reference
Gears16 forward and 4 reverseReference
Four gears with four ranges provides sixteen forward speeds.Reference
Typemechanical shuttleReference
Gears8 forward and reverseReference
PTO & Hydraulics
PTO (claimed)52.2 kWReference
PTO (tested)52.6 kWReference
Typeopen centerReference
Pressure186.3 barReference
Valves2Reference
Pump flow41.6 lpmReference
Rear TypeIIReference
Rear PTOindependentReference
Rear PTO Type540Reference
Power at rated PTO speed49.4 kWReference
Power at rated PTO speed49.7 kWReference
Dimensions
Wheelbase226 cmReference
Weight5495 to 6200 poundsReference
Front tire7.50-16Reference
Rear tire18.4-30Reference
Ag front7.50-16 (2WD)Reference
Ag front12.4-24 (4WD)Reference
Ag rear18.4-30Reference
2WD Length342 cmReference
4WD Length365 cmReference
2WD Operating2492 kgReference
4WD Operating2812 kgReference
Ballasted4581 kgReference
Hesston 780 attachments
front-end loaderReference
Electrical
Charging systemalternatorReference
Charging amps45Reference
Charging amps55Reference
Battery volts12Reference
Attachment overview
Hesston L340 loaderReference
Hesston L340H loaderReference
Hesston 780 Height
2WD Hood151 cmReference
4WD Hood152 cmReference
ROPS260 cmReference
Cab262 cmReference
Test results
NTTL 1294: diesel 16-speed 2WDReference
NTTL 1386: diesel 8-speed 4WDReference
Diesel 16-speed 2WDOctober 19 - November 1, 1978Link: Nebraska Tractor Test 1294 fileReference
PTO performanceReference
Fuel use17.8 l/hourReference
Fuel use16.3 l/hourReference
Drawbar performanceReference
Fuel use17.0 l/hourReference
Gear 4N used for power test.Reference
Diesel 8-speed 4WDApril 21 - 29, 1981Link: Nebraska Tractor Test 1386 fileReference
Fuel use16.7 l/hourReference
Fuel use15.1 l/hourReference
Speeds
With 18.4-30 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.