Tractor · 1985Unverified
Hesston 70-90
Hesston 70-90 — 90 Series · 62 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
62 hp
Max power
40.2 kW
Weight
6798 to 7436 pounds
Hover a source tag to verify
Overview
DistributorHesstonReference
ManufacturerFiatReference
Utility tractorReference
Original price was $31,100 in 1985Reference
Two- or four-wheel driveReference
Final drivesplanetaryReference
Differential lockmechanical rearReference
Power steeringReference
Differential hydraulic wet disc brakesReference
Four-post ROPS. Cab optional.Reference
Variants
70-90DT4WDReference
Engine
Fiat 3.6L 4-cyl dieselReference
Fuel tank79.9 LReference
Engine52.2 kWReference
Drawbar (tested)40.2 kWReference
Fiat 8045.06Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.6 LReference
Bore/Stroke100 x 115 mmReference
Power52.2 kWReference
Fuel systemdirect injectionReference
Pre-heatingether injectionReference
Compression17:1Reference
Rated RPM2500Reference
StarterelectricReference
Starter volts12Reference
Power at rated engine speed46.4 kWReference
Max power40.2 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)46.2 kWReference
PTO (tested)46.4 kWReference
Typeopen centerReference
Pressure186.3 barReference
Rear valves2 or 3Reference
Pump flow41.6 lpmReference
Rear TypeIIReference
Rear lift2364 kgReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Engine RPM540@2198Reference
Power at rated PTO speed46.2 kWReference
Dimensions
2WD Wheelbase226 cmReference
4WD Wheelbase227 cmReference
Weight6798 to 7436 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
4WD Ag front12.4-24Reference
Ag rear18.4-30Reference
Ag rear13.6-38Reference
2WD Length343 cmReference
4WD Length356 cmReference
2WD Front tread140 to 191 cmReference
4WD Front tread162 to 195 cmReference
Rear tread139 to 200 cmReference
2WD3083 kgReference
4WD3372 kgReference
Operating3220 kgReference
Ballasted3526 kgReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps65Reference
Battery volts12Reference
Hesston 70-90 Height
2WD Hood147 cmReference
4WD Hood163 cmReference
ROPS257 cmReference
Cab252 cmReference
Test results
Diesel 12-speed 2WDApril 22 - May 9, 1985Link: Nebraska Tractor Test 1562 fileReference
PTO performanceReference
Fuel use14.8 l/hourReference
Fuel use14.0 l/hourReference
Drawbar performanceReference
Fuel use14.4 l/hourReference
Max pull2829 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.