The Hesston 640 is a tractor model with a rated power of 63 hp, categorised as a lighter machine within its class. It was manufactured from 1981 to 1984. The tractor is equipped with a 4-cylinder diesel liquid-cooled engine and features mechanical front-wheel drive paired with an 8-speed gearbox. Its operating weight is listed at 2145 kg, and it is suited 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
63 hp
Weight
2145 kg
Catalogue coverage
Variants represented
2
Richest spec table
25 rows
Recorded power
63 hp
Recorded weight
2145 kg
Transmissions
8-speed
Production years
1981-1984
Verified variants
0
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Hover a source tag to verify
Overview
ManufacturerHesston (a part of Fiat)Reference
Utility tractorReference
Original price$17,700 (1984)Reference
Drive4x2 2WDReference
Drive4x4 MFWD 4WD optionalReference
Engine
Fiat 3.5L 4-cyl dieselReference
Drawbar (claimed)40.8 kWReference
FiatReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.5 LReference
Transmission
8-speedReference
Gears8 forward and 2 reverseReference
PTO & Hydraulics
PTO (claimed)47.0 kWReference
Typeopen centerReference
Valves1Reference
Rear TypeI/IIReference
Rear PTOindependentReference
Rear PTO Type540Reference
Dimensions
Weight2145 kgReference
Front tire7.50-16Reference
Rear tire14.9-30Reference
Ag front7.50-16Reference
Ag rear14.9-30Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
