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Tractor · 1985Unverified

Hesston 70-90

Name: Hesston 70-90
Brand: Hesston

Hesston 70-90 — 90 Series · 62 hp. Reference specifications; pending source verification.

The Hesston 70-90 is a tractor with a rated power output of 62 hp, positioning it at the lighter end of its class. Built in 1985, it features a 4-cylinder diesel liquid-cooled engine and four-wheel drive with a 12-speed gearbox. The operating weight ranges from 6798 to 7436 pounds. It is suitable for operations covering up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

92 rows

Recorded power

62 hp

Transmissions

12-speed synchromesh

Production years

1985-1985

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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