Tractor · 1985Unverified
Hesston 70-66
Hesston 70-66 — 66 Series · 63 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
63 hp
Max power
40.4 kW
Weight
5689 to 6510 pounds
Hover a source tag to verify
Overview
DistributorHesstonReference
ManufacturerFiatReference
Utility tractorReference
Original price was $23,400 in 1990Reference
Two- or four-wheel driveReference
Power steeringReference
Mechanical wet disc brakesReference
Four-post ROPS. Canopy optional.Reference
Variants
70-66utility 2WD[6073]Reference
70-66DTutility 4WD[6073]Reference
70-66ORDTorchard 4WDReference
70-66HChigh-cropReference
70-66HCDThigh-crop 4WDReference
Engine
Fiat 3.6L 4-cyl dieselReference
Fuel tank72.7 LReference
Engine52.2 kWReference
Drawbar (claimed)40.3 kWReference
Drawbar (tested)40.4 kWReference
Fiat 8045.06Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.6 LReference
Bore/Stroke100 x 115 mmReference
Power52.2 kWReference
Compression17:1Reference
Rated RPM2500Reference
StarterelectricReference
Starter volts12Reference
Power at rated engine speed46.8 kWReference
Max power40.4 kWReference
Transmission
12-speed partially synchronizedReference
12-speed mechanical shuttleReference
20-speed creeperReference
Typepartially synchronizedReference
Gears12 forward and 4 reverseReference
Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.Reference
Typemechanical shuttleReference
Gears12 forward and reverseReference
Four gears (1-4) in three ranges (I-III) with shuttle.Reference
TypecreeperReference
Gears20 forward and 8 reverseReference
Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.Reference
PTO & Hydraulics
PTO (claimed)46.8 kWReference
PTO (tested)46.8 kWReference
Typeopen centerReference
Valves1 to 3Reference
Total flow41.6 lpmReference
Rear TypeI/IIReference
Controlposition and lower-link draft controlReference
Rear lift2355 kgReference
Rear PTOindependentReference
Rear PTO Type540/groundReference
Power at rated PTO speed46.8 kWReference
Dimensions
2WD Wheelbase230 cmReference
4WD Wheelbase224 cmReference
Weight5689 to 6510 poundsReference
Front tire7.50-16Reference
2WD Rear tire14.9-30Reference
2WD Standard tires (ag)Front: 7.50-16. Rear: 14.9-30Reference
4WD Standard tires (ag)Front: 9.5-24. Rear: 14.9-30Reference
2WD Length353 cmReference
4WD Length363 cmReference
2WD Clearance (front axle)52 cmReference
4WD Clearance (front axle)41 cmReference
2WD Front tread139 to 189 cmReference
4WD Front tread153 to 195 cmReference
Rear tread139 to 200 cmReference
2WD Shipping2580 kgReference
4WD Shipping2880 kgReference
4WD Operating2952 kgReference
Ballasted3948 kgReference
Steering wheel165 cmReference
Hesston 70-66 attachments
front-end loaderReference
Electrical
Charging systemalternatorReference
Charging amps33Reference
Battery volts12Reference
Hesston 70-66 Height
Hood149 cmReference
ROPS247 cmReference
Test results
Diesel 12-speed 4WDApril 17 - May 1, 1985Reference
PTO performanceReference
Fuel use14.0 l/hourReference
Fuel use13.6 l/hourReference
Drawbar performanceReference
Speeds
With 16.9-30 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.