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Tractor · 1985Unverified

Hesston 60-66

Name: Hesston 60-66
Brand: Hesston

Hesston 60-66 — 66 Series · 51 hp. Reference specifications; pending source verification.

The Hesston 60-66 is a tractor model with a rated power output of 51 horsepower, positioning it at the lighter end of its class. Manufactured from 1985 to 1991, it is equipped with a 3-cylinder diesel liquid-cooled engine and four-wheel drive, paired with a 12-speed gearbox. The listed operating weight ranges from 4901 to 5700 pounds, and 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

51 hp

Max power

33.5 kW

Weight

4901 to 5700 pounds

Catalogue coverage

Variants represented

Richest spec table

85 rows

Recorded power

51 hp

Transmissions

12-speed partially synchronized

Production years

1985-1991

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

Two- or four-wheel driveReference

Power steeringReference

Differential mechanical wet disc brakesReference

Four-post ROPS. Canopy optional.Reference

Variants

60-66utility 2WDReference

60-66DTutility 4WDReference

60-66ORorchard 2WDReference

60-66ORDTorchard 4WDReference

Engine

Fiat 2.9L 3-cyl dieselReference

Fuel tank72.7 LReference

Engine44.7 kWReference

Drawbar (claimed)33.6 kWReference

Drawbar (tested)33.5 kWReference

Fiat 8035.05Reference

dieselReference

3-cylinderReference

liquid-cooledReference

Displacement2.9 LReference

Bore/Stroke104 x 115 mmReference

Power44.7 kWReference

Compression17:1Reference

Rated RPM2500Reference

StarterelectricReference

Starter volts12Reference

Power at rated engine speed38.4 kWReference

Max power33.5 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)38.0 kWReference

PTO (tested)38.4 kWReference

Typeopen centerReference

Pressure186.2 barReference

Valves1 to 3Reference

Total flow41.6 lpmReference

Rear TypeI/IIReference

Controlposition and lower-link draft controlReference

Rear lift1778 kgReference

Rear PTOindependentReference

Rear PTO Type540/groundReference

Power at rated PTO speed36.2 kWReference

Dimensions

2WD Wheelbase217 cmReference

4WD Wheelbase211 cmReference

Weight4901 to 5700 poundsReference

Front tire7.50-16Reference

2WD Rear tire14.9-28Reference

2WD Standard tires (ag)Front: 7.50-16. Rear: 14.9-28Reference

4WD Standard tires (ag)Front: 9.5-24. Rear: 16.9-28Reference

2WD Length330 cmReference

4WD Length337 cmReference

2WD Clearance (front axle)50 cmReference

4WD Clearance (front axle)35 cmReference

2WD Front tread139 to 189 cmReference

4WD Front tread144 to 187 cmReference

Rear tread132 to 192 cmReference

2WD Shipping2223 kgReference

4WD Shipping2473 kgReference

4WD Operating2585 kgReference

Ballasted3383 kgReference

Steering wheel161 cmReference

Hesston 60-66 attachments

front-end loaderReference

Electrical

Charging systemalternatorReference

Charging amps33Reference

Battery volts12Reference

Hesston 60-66 Height

Hood143 cmReference

2WD ROPS234 cmReference

4WD ROPS241 cmReference

Test results

Diesel 12-speed 4WDAugust 28 - September 5, 1984Link: Nebraska Tractor Test 1531 fileReference

PTO performanceReference

Fuel use12.1 l/hourReference

Fuel use10.6 l/hourReference

Drawbar performanceReference

Speeds

With 14.9-28 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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