Fiat-Hesston

Hesston 60-66

The Hesston 60-66 is a utility tractor built by Fiat and distributed by Hesston from 1985 to 1991. It is part of the 66 Series and features a Fiat 2.9L 3-cylinder diesel engine producing 60 hp. The tractor offers multiple transmission options including a 12-speed partially synchronized, 12-speed mechanical shuttle, and a 20-speed creeper. It is available in 2WD and 4WD variants, with orchard and utility configurations. The tractor includes power steering, differential mechanical wet disc brakes, and a four-post ROPS with optional canopy. Hydraulics are open center type with 2700 psi pressure and 11 gpm flow. The rear hitch supports I/II categories with position and lower-link draft control and a rear lift capacity of 3920 lbs. The PTO is independent with 540/ground speeds. Dimensions vary between 2WD and 4WD models, with wheelbases around 85.6 and 83.4 inches respectively, and weights ranging from 4901 to 5700 lbs. Standard tires differ for 2WD and 4WD models. Electrical system includes a 12-volt battery and 33 amp alternator. The tractor can be equipped with an L330 front-end loader.
Power60 hp
Founded1985 - 1991
Model60-66

Technical Specifications

Detailed specifications and technical data for Hesston 60-66

Power
Engine power60 hp (44.7 kW)
PTO (tested)51.49 hp (38.4 kW)
PTO (claimed)51 hp (38.0 kW)
Drawbar (tested)44.89 hp (33.5 kW)
Drawbar (claimed)45 hp (33.6 kW)
Engine
Typediesel
ModelFiat 8035.05
Power60 hp (44.7 kW)
Coolingliquid-cooled
Starterelectric
Cylinders3-cylinder
Fuel tank19.2 gal (72.7 L)
Rated RPM2500
Bore/Stroke4.094x4.527 inches (104 x 115 mm)
Displacement179 ci (2.9 L)
Starter volts12
Compression ratio17:1
Height
Hood56.5 inches (143 cm)
2WD ROPS92.5 inches (234 cm)
4WD ROPS95 inches (241 cm)
Steering wheel63.5 inches (161 cm)
Variants
60-66utility 2WD
60-66DTutility 4WD
60-66ORorchard 2WD
60-66ORDTorchard 4WD
Electrical
Battery volts12
Charging amps33
Charging systemalternator
Hydraulics
Typeopen center
Valves1 to 3
Pressure2700 psi (186.2 bar)
Total flow11 gpm (41.6 lpm)
Mechanical
ROPSFour-post ROPS. Canopy optional.
DriveTwo- or four-wheel drive
BrakesDifferential mechanical wet disc brakes
SteeringPower steering
Production
TypeUtility tractor
DistributorHesston
ManufacturerFiat
Years produced1985 - 1991
Attachments
LoaderL330 Loader
Transmission
Creeper20 forward and 8 reverse gears; Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.
Options12-speed partially synchronized, 12-speed mechanical shuttle, 20-speed creeper
Mechanical shuttle12 forward and reverse gears; Four gears (1-4) in three ranges (I-III) with shuttle.
Partially synchronized12 forward and 4 reverse gears; Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.
Tractor hitch
Controlposition and lower-link draft control
Rear TypeI/II
Rear lift capacity3920 lbs (1778 kg)
Dimensions & Tires
Weight4901 to 5700 pounds
2WD Length130 inches (330 cm)
4WD Length133 inches (337 cm)
Rear tread52.1 to 75.75 inches (132 to 192 cm)
2WD Wheelbase85.6 inches (217 cm)
4WD Wheelbase83.4 inches (211 cm)
2WD Front tread55.1 to 74.75 inches (139 to 189 cm)
4WD Front tread56.9 to 73.75 inches (144 to 187 cm)
Ballasted weight7460 lbs (3383 kg)
2WD Shipping weight4901 lbs (2223 kg)
4WD Shipping weight5452 lbs (2473 kg)
4WD Operating weight5700 lbs (2585 kg)
2WD Standard tires (ag)Front: 7.50-16. Rear: 14.9-28
4WD Standard tires (ag)Front: 9.5-24. Rear: 16.9-28
2WD Clearance (front axle)20 inches (50 cm)
4WD Clearance (front axle)14 inches (35 cm)
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540/ground