The Hesston 666DT High Crop is a tractor with a rated power output of 62 hp, positioning it at the lower end of its class. It was manufactured from 1983 to 1984. The tractor features a 4-cylinder diesel liquid-cooled engine, coupled with four-wheel drive and a 12-speed gearbox. Its operating weight is listed at 3310 kg, with a capability to suit operations of 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
Weight
3310 kg
Catalogue coverage
Variants represented
2
Richest spec table
42 rows
Recorded power
62 hp
Recorded weight
3310 kg
Transmissions
12-speed partially synchronized
Production years
1983-1984
Verified variants
0
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Overview
DistributorHesstonReference
ManufacturerFiatReference
High-Clearance tractorReference
Four-wheel driveReference
Power steeringReference
Mechanical wet disc brakesReference
ROPS.Reference
Variants
766utilityReference
766HChigh-cropReference
Engine
Fiat 3.5L 4-cyl dieselReference
Fuel tank72.7 LReference
FiatReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.5 LReference
Bore/Stroke100 x 110 mmReference
Fuel systemdirect injectionReference
Pre-heatingether injectionReference
StarterelectricReference
Starter volts12Reference
Transmission
12-speed partially synchronizedReference
Typepartially synchronizedReference
Gears12 forward and 4 reverseReference
Clutch279.4mm cerametallic dry discReference
PTO & Hydraulics
PTO (claimed)46.2 kWReference
Typeopen centerReference
Pressure186.2 barReference
Valves1Reference
Pump flow41.6 lpmReference
Rear TypeIIReference
Controlposition and draft controlReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Dimensions
Weight3310 kgReference
Front tire13.6x38Reference
Rear tire13.6x38Reference
Standard tires (ag)Front: 13.6x38. Rear: 13.6x38Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps33Reference
Battery volts12Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
