Fiat-Hesston
Hesston 80-66
The Hesston 80-66 is a utility tractor produced from 1985 to 1991 by Hesston, manufactured by Fiat. It features a Fiat 3.9L 4-cylinder diesel engine producing 80 hp, with multiple transmission options including 12-speed partially synchronized, mechanical shuttle, and 20-speed creeper. The tractor offers two- or four-wheel drive, power steering, and differential mechanical wet disc brakes. It has a rear PTO with independent control and optional 540/1000 rpm speeds. The 80-66 supports various attachments including the L330 front-end loader. It was originally priced at $26,500 in 1990.
Power80 hp
Founded1985 - 1991
Model80-66
Technical Specifications
Detailed specifications and technical data for Hesston 80-66
Power
| Engine power | 80 hp (59.7 kW) |
|---|---|
| PTO (tested) | 70.43 hp (52.5 kW) |
| PTO (claimed) | 70 hp (52.2 kW) |
| Drawbar (tested) | 62.21 hp (46.4 kW) |
| Drawbar (claimed) | 62 hp (46.2 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Fiat 8045.05 |
| Power | 80 hp (59.7 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Rated RPM | 2500 |
| Bore/Stroke | 4.094x4.527 inches (104 x 115 mm) |
| Compression | 17:1 |
| Pre-heating | ether |
| Displacement | 238.5 ci (3.9 L) |
| Starter volts | 12 |
Height
| Hood | 59 inches (149 cm) |
|---|---|
| ROPS | 100 inches (254 cm) |
| Steering wheel | 67 inches (170 cm) |
Weight
| Ballasted | 9400 lbs (4263 kg) |
|---|---|
| 2WD Shipping | 5800 lbs (2630 kg) |
| 4WD Shipping | 6450 lbs (2925 kg) |
| 4WD Operating | 6535 lbs (2964 kg) |
Variants
| 80-66 | utility 2WD |
|---|---|
| 80-66DT | utility 4WD |
| 80-66HC | high-crop |
| 80-66OR | orchard 2WD |
| 80-66HCDT | high-crop 4WD |
| 80-66ORDT | orchard 4WD |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 33 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 1 to 3 |
| Pressure | 2700 psi (186.2 bar) |
| Total flow | 11 gpm (41.6 lpm) |
Mechanical
| ROPS | Four-post ROPS. Canopy optional. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Differential mechanical wet disc brakes |
| Steering | Power steering |
Production
| Type | Utility tractor |
|---|---|
| Distributor | Hesston |
| Manufacturer | Fiat |
| Original price | $26,500 in 1990 |
| Production years | 1985 - 1991 |
Attachments
| Loader | L330 Loader |
|---|
Transmission
| Creeper | 20 forward and 8 reverse gears; Four gears (1-4) in three ranges (I-III) with normal and creeper ranges. |
|---|---|
| Options | 12-speed partially synchronized, 12-speed mechanical shuttle, 20-speed creeper |
| Mechanical shuttle | 12 forward and reverse gears; Four gears (1-4) in three ranges (I-III) with shuttle. |
| Partially synchronized | 12 forward and 4 reverse gears; Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized. |
Tractor hitch
| Control | position and lower-link draft control |
|---|---|
| Rear Type | II |
| Rear lift | 5194 lbs (2355 kg) |
Dimensions & Tires
| 2WD Length | 139 inches (353 cm) |
|---|---|
| 4WD Length | 143 inches (363 cm) |
| Rear tread | 55.1 to 78.75 inches (139 to 200 cm) |
| 2WD Wheelbase | 90.7 inches (230 cm) |
| 4WD Wheelbase | 88.5 inches (224 cm) |
| 2WD Front tread | 55.1 to 74.75 inches (139 to 189 cm) |
| 4WD Front tread | 60.25 to 77 inches (153 to 195 cm) |
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 18.4-30 |
| 4WD Standard tires (ag) | Front: 12.4-24. Rear: 18.4-30 |
| 2WD Clearance (front axle) | 21.5 inches (54 cm) |
| 4WD Clearance (front axle) | 16 inches (40 cm) |
Power Take-off (PTO)
| Optional | 540/1000 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/ground |