Tractor · 1990Unverified
Hesston 80-90
Hesston 80-90 — 90 Series · 71 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
71 hp
Max power
45.3 kW
Weight
6930 to 7634 pounds
Hover a source tag to verify
Overview
DistributorHesstonReference
ManufacturerFiatReference
Utility tractorReference
Original price was $35,000 in 1990Reference
Two- or four-wheel driveReference
Final drivesplanetaryReference
Differential lockmechanical rearReference
Power steeringReference
Differential hydraulic wet disc brakesReference
Four-post ROPS. Cab optional.Reference
Variants
80-90DT4WDReference
Engine
Fiat 3.9L 4-cyl dieselReference
Fuel tank79.9 LReference
Engine59.7 kWReference
Drawbar (tested)45.3 kWReference
Fiat 8045.05Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.9 LReference
Bore/Stroke104 x 115 mmReference
Power59.7 kWReference
Fuel systemdirect injectionReference
Pre-heatingether injectionReference
Compression17:1Reference
Rated RPM2500Reference
StarterelectricReference
Starter volts12Reference
Power at rated engine speed52.8 kWReference
Max power45.3 kWReference
Transmission
12-speed synchromeshReference
12-speed mechanical shuttleReference
20-speed creeperReference
TypesynchromeshReference
Gears12 forward and 4 reverseReference
Clutch279.4mm dry discReference
Four gears (1-4) in three ranges (I-III) plus reverse range.Reference
Typemechanical shuttleReference
Gears12 forward and reverseReference
TypecreeperReference
Gears20 forward and 8 reverseReference
PTO & Hydraulics
PTO (claimed)52.9 kWReference
PTO (tested)52.8 kWReference
Typeopen centerReference
Pressure186.3 barReference
Rear valves2 or 3Reference
Pump flow41.6 lpmReference
Rear TypeI/IIReference
Rear lift2221 kgReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Engine RPM540@2198Reference
Power at rated PTO speed51.6 kWReference
Dimensions
2WD Wheelbase226 cmReference
4WD Wheelbase227 cmReference
Weight6930 to 7634 poundsReference
Front tire7.50-16Reference
Rear tire16.9-30Reference
2WD Ag front7.50-16Reference
4WD Ag front11.2-24Reference
Ag rear16.9-30Reference
2WD Ag front7.50-18Reference
2WD Ag front9.5L-15Reference
4WD Ag front13.6-24Reference
Ag rear13.6-38Reference
Ag rear16.9-34Reference
2WD Length342 cmReference
4WD Length365 cmReference
2WD Front tread139 to 189 cmReference
4WD Front tread163 to 195 cmReference
Rear tread139 to 210 cmReference
2WD3143 kgReference
4WD3462 kgReference
Operating3234 kgReference
Ballasted4293 kgReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps65Reference
Battery volts12Reference
Hesston 80-90 Height
2WD Hood151 cmReference
4WD Hood152 cmReference
ROPS260 cmReference
2WD Cab263 cmReference
4WD Cab255 cmReference
Test results
Diesel 12-speed 2WD 4, 22/1985 - May 7, 1985Link: Nebraska Tractor Test 1563 fileReference
PTO performanceReference
Fuel use15.5 l/hourReference
Fuel use15.1 l/hourReference
Drawbar performanceReference
Max pull3321 kgReference
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.