Tractor · 1985Unverified
Hesston 80-66 High Clearance
Hesston 80-66 High Clearance — 66 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
Weight
5800 to 7290 pounds
Hover a source tag to verify
Overview
DistributorHesstonReference
ManufacturerFiatReference
High-Clearance tractorReference
Two- or four-wheel driveReference
Power steeringReference
Mechanical wet disc brakesReference
Four-post ROPS with optional canopy.Reference
Variants
80-66utility 2WDReference
80-66DTutility 4WDReference
80-66ORorchard 2WDReference
80-66ORDTorchard 4WDReference
80-66HChigh-cropReference
80-66HCDThigh-crop 4WDReference
Engine
Fiat 3.9L 4-cyl dieselReference
Fuel tank72.7 LReference
Fiat 8045.05Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.9 LReference
Bore/Stroke104 x 115 mmReference
Fuel systemdirect injectionReference
Rated RPM2500Reference
StarterelectricReference
Starter volts12Reference
Transmission
12-speed syncromeshReference
20-speed creeperReference
TypesyncromeshReference
Gears12 forward and 4 reverseReference
Clutch279.4mm dry discReference
Four synchronized gears (1-4) in three ranges (I, II, III) plus reverse range.Reference
TypecreeperReference
Gears20 forward and 8 reverseReference
PTO & Hydraulics
PTO (claimed)52.2 kWReference
Typeopen centerReference
Pressure186.2 barReference
Valves2Reference
Pump flow41.6 lpmReference
Rear TypeIIReference
Controlposition and lower-link draft controlReference
Rear PTOindependentReference
Rear PTO Type540/ground (1.375)Reference
Dimensions
2WD Wheelbase210 cmReference
4WD Wheelbase204 cmReference
Weight5800 to 7290 poundsReference
Front tire7.50-18Reference
Rear tire9.5-42Reference
2WD Ag front7.50-18Reference
4WD Ag front13.6-38Reference
2WD Ag rear9.5-42Reference
4WD Ag rear13.6-38Reference
4WD Ag front12.4-38Reference
2WD Ag rear12.4-38Reference
4WD Ag rear12.4-38Reference
2WD Shipping weight2630 kgReference
4WD Shipping weight3306 kgReference
2WD Clearance (front axle)80 cmReference
4WD Clearance (front axle)62 cmReference
2WD Clearance (drawbar)63 cmReference
4WD Clearance (drawbar)65 cmReference
2WD Front tread152 to 223 cmReference
4WD Front tread167/177/182/193/203/208/218 cmReference
2WD Rear tread152 to 193 cmReference
4WD Rear tread142/152/157/160/172/177/187 cmReference
Electrical
Charging systemalternatorReference
Charging amps33Reference
Battery volts12Reference
Speeds
With 13.6-38 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.