Power
Power specifications| Engine | no record |
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| PTO | 62 hp claimed |
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| PTO, tested | 62.4 hp |
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| Drawbar | 54.3 hp claimed |
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| Drawbar, tested | 53.1 hp |
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| Listed power | 68 hp PTO basis |
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Engines
Engines fitted to the Hesston 666| Fiat 3.5L 4-cyl dieselDiesel · 4 cyl | 211 ci |
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Engine details
- Fiat 3.5L 4-cyl diesel
- Bore × stroke
- 3.94 in × 4.33 in
- Cooling
- liquid-cooled
Transmissions
Transmissions for the Hesston 666| 12-speed synchronizedsynchronized | 12F / 4R |
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| 12-speed mechanical shuttlemechanical shuttle | 12F / 12R |
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| 20-speed creepercreeper | 20F / 8R |
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Transmission notes
12-speed synchronized: Four synchronized gears in three ranges.
Weight
Weight specifications| Weight | 5,689 lb operating |
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Dimensions
Dimensions specifications| Wheelbase | 90.7 in |
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| Length | 139 in |
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| Height | 59 in unspecified |
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| Ground clearance | 23 in |
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Capacities
Capacities specifications| Fuel tank | 19.2 gal |
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Hydraulics
Hydraulics specifications| System | open center |
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| Pump flow | 11 gpm |
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| Pressure | 2,700 psi |
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| Remote valves | 1 or 2 |
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Hitch
Hitch specifications| Rear hitch category | I/II |
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| Rear lift capacity | no record |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 540 |
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Chassis
Chassis specifications| Drive | 2WD/4WD |
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| Steering | hydrostatic power |
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| Brakes | Differential mechanical wet disc brakes |
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| Cab | Four-post ROPS standard. Optional canopy |
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Tires
Tires specifications| Front | 7.50-16 |
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| Rear | 14.9-30 |
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Electrical
Electrical specifications| Charging | alternator |
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| Charging output | 33 A |
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Production
Production specifications| Factories | Modena, Italy |
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| Built by | Fiat |
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