Farmall 1066
The Farmall 1066 is a row-crop tractor built by Farmall, a part of International Harvester, in Rock Island, Illinois, USA. It was produced in the 66 Series with a total of 54,947 units built. The original price was $21,100 in 1976. It features an International Harvester 6.8L 6-cylinder turbocharged diesel engine, with a fuel tank capacity of 42 gallons (159.0 L). The tractor offers multiple transmission options including an 8-speed gear, 16-speed two-speed power shift, and hydrostatic. It has a drawbar power of 108 hp (claimed) and PTO power of 126 hp (claimed). The tractor supports two- or four-wheel drive, power steering, hydraulic dry disc brakes, and an open operator station with optional cab and air-conditioning. The Farmall 1066 is equipped with a rear hitch type III/II and an independent rear PTO with 540/1000 rpm options. It has a wheelbase of 105 inches (266 cm), weighs between 12,148 to 13,345 lbs depending on configuration, and uses 11L-15 front tires and 18.4-38 rear tires.
Power140 hp[P]
Founded1971 - 1976
Model1066
Technical Specifications
Detailed specifications and technical data for Farmall 1066
Power
| PTO (tested) | 125.68 hp (93.7 kW) |
|---|---|
| PTO (claimed) | 126 hp (94.0 kW) |
| Drawbar (tested) | 105.95 hp (79.0 kW) |
| Drawbar (claimed) | 108 hp (80.5 kW) |
Tires
| Ag rear | 18.4-38 |
|---|---|
| Ag front | 11L-15 |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | International Harvester DT414 |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 42 gal (159.0 L) |
| Rated RPM | 2400, 2600 (after 1973) |
| Air cleaner | dual stage dry |
| Bore/Stroke | 4.30x4.75 inches (109 x 121 mm) |
| Displacement | 414 ci (6.8 L) |
| Oil capacity | 18 qts (17.0 L) |
| Starter volts | 12 |
| Coolant capacity | 25 qts (23.7 L) |
Weight
| Ballasted | 15,260 lbs (6921 kg) |
|---|---|
| Operating (gear) | 12,148 lbs (5510 kg) |
| Operating (duals) | 13,345 lbs (6053 kg) |
| Operating (hydro) | 12,320 lbs (5588 kg) |
Dimensions
| Width | 98 inches (248 cm) |
|---|---|
| Length | 165 inches (419 cm) |
| Wheelbase | 105 inches (266 cm) |
| Bar rear axle | 3.25 inch diameter (82 mm) |
| Height (exhaust) | 111 inches (281 cm) |
| Clearance (drawbar) | 16 inches (40 cm) |
Hydraulics
| Type | open center |
|---|---|
| Pump flow | 12 gpm (45.4 lpm) |
| Total flow | 21 gpm (79.5 lpm) |
| Steering flow | 9 gpm (34.1 lpm) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Hydraulic dry disc brakes |
| Steering | Power steering |
| Operator station | Open operator station. Two-post fixed ROPS available. Cab available with optional air-conditioning. |
Production
| Built in | Rock Island, Illinois, USA |
|---|---|
| Total built | 54,947 |
| Manufacturer | Farmall (a part of International Harvester) |
| Original price | $21,100 in 1976 |
Transmission
| Gears | 8 forward and 4 reverse |
|---|---|
| Clutch | dry disc |
| Gear type | gear |
| Description | Four gears each in high, low, and reverse ranges. |
| Hydrostatic type | hydrostatic |
| Torque Amplifier | two-speed power shift |
| Hydrostatic gears | infinite forward and reverse (two-range) |
| Transmission options | 8-speed gear, 16-speed two-speed power shift, hydrostatic |
| Torque Amplifier gears | 16 forward and 8 reverse |
| Torque Amplifier clutch | dry disc |
| Torque Amplifier description | Four gears (1-4) in two ranges (Low/High) with the two-speed Torque Amplifier power shift (TA/direct). |
Tractor hitch
| Rear Type | III/II |
|---|---|
| Rear lift (at 24"/610mm) | 5600 lbs (2540 kg) |
Serial Numbers
| 1971 | 7101 |
|---|---|
| 1972 | 12677 |
| 1973 | 24205 |
| 1974 | 34949 |
| 1975 | 46855 |
| 1976 | 56672 |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |
