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Years in Production / 1983–1984
Hesston
666
Explore the specifications, hardware, and original references for the Hesston 666.
No photo
68hp
Engine estimate · from PTO
MFWD Optional
Drive
1983–1984
Production years
Hesston
Manufacturer
666 / 01
At a glance
Production
Utility tractor
Built in Modena, Italy
- Distributor
- Hesston
- Manufacturer
- Fiat
- Original Price
- $19,600 (1984)
Mechanical
Two- or four-wheel drive
Differential mechanical wet disc brakes
Four-post ROPS standard. Optional canopy.
- Steering
- hydrostatic power
Hydraulics
- Type
- open center
- Pressure
- 2700 psi186.2 bar
- Valves
- 1 or 2
- Pump Flow
- 11 gpm41.6 lpm
Hitch
- Rear Type
- I/II
Pto
- Rear Pto
- independent
- Rear Type
- 540
Electrical
- Charging System
- alternator
- Charging Amps
- 33
666 / 02
Under the hood
Engine Detail
Fiat 8045.02
diesel
4-cylinder
liquid-cooled
- Displacement
- 211 ci3.5 L
- Bore Stroke
- 3.94x4.33 inches100 x 110 mm
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Fiat 3.5L 4-cyl diesel
- Fuel Tank
- 19.2 gal72.7 L
666 / 03
Gears & controls
Transmission (Option 1)
Four synchronized gears in three ranges.
- Transmission Type
- synchronized
- Gears
- 12 forward and 4 reverse
Transmission (Option 2)
- Transmission Type
- mechanical shuttle
- Gears
- 12 forward and reverse
Transmission (Option 3)
- Transmission Type
- creeper
- Gears
- 20 forward and 8 reverse
666 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 90.7 inches (2WD)230 cm
- Wheelbase
- 88.5 inches (4WD)224 cm
- Weight
- 5689 to 6350 pounds
- Front Tire
- 7.50-16
- Rear Tire
- 14.9-30
Tires And Tracks
- Front Ag
- 7.50-162WD
- Front Ag
- 9.5-244WD
- Rear Ag
- 14.9-30
666 / 05
Tests (NTTL)
Nebraska Tractor Test 1485
Diesel 12-speed 4WDJune 6 - 17, 1983
PTO performance
Drawbar performance
- Id
- 1485
- Power At Rated Engine Speed
- 62.40 hp46.5 kW
- Fuel Use
- 3.9 gal/hour14.8 l/hour
- Fuel Use
- 3.5 gal/hour13.2 l/hour
- Power At Rated Pto Speed
- 60.33 hp45.0 kW
- Max Power
- 53.13 hp39.6 kW