Hesston 666
| | 1983 - 1984 |
| Utility tractor | | Fiat built |
|
Series map:
566
666
766
56.7hp*
68.9hp*
77.8hp*
*Estimated engine power for comparison only.
| Production |
| Distributor | Hesston
|
| Manufacturer | Fiat
|
| Utility tractor |
| Built in Modena, Italy |
| Original price | $19,600 (1984)
|
| Variants |
| 666DT | 4WD
|
| 666HC | high-crop
|
| 666 | similar Fiat model
|
| Hesston 666 Power |
| Drawbar (claimed) | 54.3 hp
40.5 kW
|
| PTO (claimed) | 62 hp
46.2 kW
|
| Drawbar (tested) | 53.13 hp
39.6 kW
|
| PTO (tested) | 62.40 hp
46.5 kW
|
 Performance test details ... |
| Mechanical |
| Two- or four-wheel drive |
| Steering | hydrostatic power
|
| Differential mechanical wet disc brakes |
| Four-post ROPS standard. Optional canopy. |
| Photos |
| No photos of the Hesston 666 are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. |
| Hydraulics |
| Type | open center
|
| Pressure | 2700 psi
186.2 bar
|
| Valves | 1 or 2
|
| Pump flow | 11 gpm
41.6 lpm
|
| Tractor hitch |
| Rear Type | I/II
|
| Power Take-off (PTO) |
| Rear PTO | independent
|
| Rear PTO Type | 540
|
| Electrical |
| Charging system | alternator
|
| Charging amps | 33
|
| Page information |
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| Email me: Peter@TractorData.com |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. |
| Peter Easterlund - owner/author |
| This machine's data modified on November 6, 2025 |
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Engine details ...
Transmission details ...
Full dimensions and tires ...