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Tractor · 1983Unverified

Hesston 666

Name: Hesston 666
Brand: Hesston

Hesston 666 — Utility tractor · 62 hp. Reference specifications; pending source verification.

The Hesston 666 is a compact tractor model rated at 62 hp, positioned among smaller options in its class. It was manufactured from 1983 to 1984. The tractor is powered by a 4-cylinder diesel liquid-cooled engine, transmitting power through four-wheel drive with a hydrostatic transmission. Its listed weight ranges from 5689 to 6350 pounds and is suitable for tasks 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

39.6 kW

Weight

5689 to 6350 pounds

Catalogue coverage

Variants represented

Richest spec table

70 rows

Recorded power

62 hp

Recorded weight

2580 kg

Transmissions

12-speed synchronized

Production years

1983-1984

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

Built in Modena, ItalyReference

Original price$19,600 (1984)Reference

Two- or four-wheel driveReference

Steeringhydrostatic powerReference

Differential mechanical wet disc brakesReference

Four-post ROPS standard. Optional canopy.Reference

Variants

666DT4WDReference

666HChigh-cropReference

666similar Fiat modelReference

Engine

Fiat 3.5L 4-cyl dieselReference

Fuel tank72.7 LReference

Drawbar (claimed)40.5 kWReference

Drawbar (tested)39.6 kWReference

Fiat 8045.02Reference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement3.5 LReference

Bore/Stroke100 x 110 mmReference

Starter volts12Reference

Power at rated engine speed46.5 kWReference

Max power39.6 kWReference

Transmission

12-speed synchronizedReference

12-speed mechanical shuttleReference

20-speed creeperReference

TypesynchronizedReference

Gears12 forward and 4 reverseReference

Four synchronized gears in three ranges.Reference

Typemechanical shuttleReference

Gears12 forward and reverseReference

TypecreeperReference

Gears20 forward and 8 reverseReference

PTO & Hydraulics

PTO (claimed)46.2 kWReference

PTO (tested)46.5 kWReference

Typeopen centerReference

Pressure186.2 barReference

Valves1 or 2Reference

Pump flow41.6 lpmReference

Rear TypeI/IIReference

Rear PTOindependentReference

Rear PTO Type540Reference

Power at rated PTO speed45.0 kWReference

Dimensions

Wheelbase230 cmReference

Wheelbase224 cmReference

Weight5689 to 6350 poundsReference

Front tire7.50-16Reference

Rear tire14.9-30Reference

Ag front7.50-16 (2WD)Reference

Ag front9.5-24 (4WD)Reference

Ag rear14.9-30Reference

Length353 cmReference

Length363 cmReference

Operating weight2580 kgReference

Operating weight2880 kgReference

Ground clearance58 cmReference

Ground clearance48 cmReference

Ground clearance40 cmReference

Electrical

Charging systemalternatorReference

Charging amps33Reference

Hesston 666 Height

Hood149 cmReference

Exhaust243 cmReference

Exhaust246 cmReference

Test results

Diesel 12-speed 4WDJune 6 - 17, 1983Link: Nebraska Tractor Test 1485 fileReference

PTO performanceReference

Fuel use14.8 l/hourReference

Fuel use13.2 l/hourReference

Drawbar performanceReference

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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