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Years in Production / 1985–1989
Hesston
55-66
Explore the specifications, hardware, and original references for the Hesston 55-66.
55hp
Source index power
MFWD Optional
Drive
1985–1989
Production years
Hesston
Manufacturer
55-66 / 01
At a glance
Production
Utility tractor
Original price was $17,400 in 1990
- Manufacturer
- Hesston (a part of Fiat)
Hydraulics
- Type
- open center
- Pressure
- 2700 psi186.2 bar
- Valves
- 0 to 3
- Total Flow
- 11 gpm41.6 lpm
Hitch
- Rear Type
- I/II
- Control
- position and lower-link draft control
- Rear Lift
- 3920 lbs1778 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540/ground
Electrical
- Charging System
- alternator
- Charging Amps
- 33
- Battery Volts
- 12
Mechanical
Two- or four-wheel drive
Power steering
Mechanical wet disc brakes
Four-post ROPS. Canopy optional.
55-66 / 02
Under the hood
Engine Detail
Fiat 8035.06
diesel
3-cylinder
liquid-cooled
- Displacement
- 165 ci2.7 L
- Bore Stroke
- 3.937x4.528 inches100 x 115 mm
- Power
- 55 hp41.0 kW
- Compression Ratio
- 17:1
- Rated Rpm
- 2500
- Starter
- electric
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 3
- Cooling
- liquid-cooled
Engine Options
Fiat 2.7L 3-cyl diesel
- Fuel Tank
- 19.2 gal72.7 L
55-66 / 03
Gears & controls
Transmission (Option 1)
Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.
- Transmission Type
- partially synchronized
- Gears
- 12 forward and 4 reverse
Transmission (Option 2)
Four gears (1-4) in three ranges (I-III) with shuttle.
- Transmission Type
- mechanical shuttle
- Gears
- 12 forward and reverse
Transmission (Option 3)
Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.
- Transmission Type
- creeper
- Gears
- 20 forward and 8 reverse
55-66 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 133 in337 cm
- Height
- 63.5 in161 cm
- Height (ROPS)
- 95 in241 cm
- Wheelbase
- 83.4 in211 cm
- Front tread
- 56.9 in144 cm
- Rear tread
- 52.1 in132 cm
Dimensions And Tires
- 2wd Wheelbase
- 85.6 inches217 cm
- 4wd Wheelbase
- 83.4 inches211 cm
- Weight
- 4851 to 5402 pounds
- Front Tire
- 6.50-16
- 2wd Rear Tire
- 13.6-28
Tires And Tracks
- 2wd Standard Tires Ag
- Front: 6.50-16. Rear: 13.6-28
- 4wd Standard Tires Ag
- Front: 9.5-24. Rear: 16.9-28
55-66 / 05
Tests (NTTL)
Nebraska Tractor Test 1560
Diesel 12-speed 2WDApril 15 - 29, 1985
PTO performance
Drawbar performance
- Id
- 1560
- Power At Rated Engine Speed
- 45.78 hp34.1 kW
- Fuel Use
- 3.0 gal/hour11.4 l/hour
- Fuel Use
- 2.7 gal/hour10.2 l/hour
- Power At Rated Pto Speed
- 44.84 hp33.4 kW
- Max Power
- 38.39 hp28.6 kW