| Manufacturer |
Farmall |
| Price |
21,100(USD) |
| Model |
1066 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rock Island, Illinois, USA |
VARIANTS
NEBRASKA TRACTOR TEST 1081 2
| Description |
Diesel Torque Amplifier 2WD October 1 - 21, 1971 Link: Nebraska Tractor Test 1081 file PTO performance Drawbar performance Gear 1-Hi-TA used for power test Gear 3-Lo-TA used for pull test |
| Power at rated engine speed |
116.23hp / 86.7kW |
| Fuel use |
7.6gal/hour / 28.8l/hour |
| Power at rated PTO speed |
112.18hp / 83.7kW |
| Max power |
100.5hp / 74.9kW |
| Max pull |
11,625lbs / 5273kg |
NEBRASKA TRACTOR TEST 1083 2
| Description |
Diesel hydrostatic 2WD October 7 - 25, 1971 Link: Nebraska Tractor Test 1083 file PTO performance Drawbar performance Gear 5.4 MPH used for power test Gear 3.1 MPH used for pull test |
| Power at rated engine speed |
113.58hp / 84.7kW |
| Fuel use |
8.0gal/hour / 30.3l/hour |
| Power at rated PTO speed |
109.32hp / 81.5kW |
| Max power |
84.88hp / 63.3kW |
| Max pull |
9,576lbs / 4343kg |
NEBRASKA TRACTOR TEST 1124 2
| Description |
Diesel gear 2WD April 17 - 27, 1973 Link: Nebraska Tractor Test 1124 file PTO performance Drawbar performance Gear 1-Hi-TA used for power test. Gear 2-Lo-Direct used for pull test |
| Power at rated engine speed |
125.68hp / 93.7kW |
| Fuel use |
8.3gal/hour / 31.4l/hour |
| Power at rated PTO speed |
119.2hp / 88.9kW |
| Max power |
105.95hp / 79.0kW |
| Max pull |
13,000lbs / 5896kg |
FARMALL 1066 POWER
| Drawbar (claimed) |
108hp / 80.5kW |
| PTO (claimed) |
126hp / 94.0kW |
| Drawbar (tested) |
105.95hp / 79.0kW |
| PTO (tested) |
125.68hp / 93.7kW |
ENGINE DETAIL
The Farmall 1066 is powered by the DT414 turbocharged diesel engine, offering substantial torque and efficiency, especially at the rated RPM range of 2400-2600. With a displacement of 414 ci (6.8L) and a dual-stage dry air cleaner, it is designed for high-performance tasks but may face challenges in extreme operating conditions due to its liquid-cooling system. Its relatively large oil (18 qts) and coolant capacities (25 qts) allow for extended intervals between maintenance, which is beneficial for long-duration agricultural operations.
| Description |
International Harvester DT414 turbocharged diesel 6-cylinder liquid-cooled |
| Displacement |
414ci / 6.8L |
| Bore/Stroke |
4.30x4.75inches / 109x 121 mm |
| Air cleaner |
dual stage dry |
| Rated RPM |
2400/2600 (after 1973) |
| Starter volts |
12 |
| Oil capacity |
18qts / 17.0L |
| Coolant capacity |
25qts / 23.7L |
FARMALL 1066 ENGINE
The Farmall 1066 is powered by a robust International Harvester 6.8L 6-cylinder diesel engine, providing reliable torque and fuel efficiency crucial for heavy-duty agricultural tasks. With a substantial 42-gallon fuel tank, this tractor offers extended operational range, beneficial for large-scale farming operations, though refueling logistics must be considered for continuous productivity. Additionally, the weight and power of this tractor may pose challenges in compact spaces or on soft ground, requiring careful maneuvering.
| Description |
International Harvester 6.8L 6-cyl diesel |
| Fuel tank |
42gal / 159.0L |
TRANSMISSIONS OVERVIEW
The Farmall 1066 features an 8-speed gear transmission complemented by a 16-speed partial power shift hydrostatic system, offering enhanced operational flexibility and ease of use. The partial power shift allows for smoother transitions between gears without clutch engagement, improving efficiency during field operations. However, operators may need to adapt to the mechanical complexity, which could require more maintenance than simpler gear systems.
| Description |
8-speed gear 16-speed partial power shift hydrostatic |
TRANSMISSION 1
The Farmall 1066 tractor features a gear transmission with 8 forward and 4 reverse gears, facilitating versatility in various field operations and enhancing productivity. The dry disc clutch provides reliable engagement but may require more frequent maintenance compared to wet clutches, especially in heavy-duty applications. This tractor is ideal for mid to large-scale farming scenarios where a range of speeds is advantageous for tasks like plowing, hauling, and tilling.
| Type |
gear |
| Gears |
8 forward and 4 reverse |
| Clutch |
dry disc |
SPEEDS 1
| Description |
With 18.4-38 rear tires |
TRANSMISSION 2
The Farmall 1066's partial power shift transmission with a Torque Amplifier allows for seamless shifting between 16 forward and 8 reverse gears, enhancing operational efficiency in varying terrain. The dry disc clutch provides reliable engagement but may require more maintenance than hydraulic alternatives, particularly under heavy load conditions. This setup is ideal for diverse farming scenarios where quick adjustments in speed and torque are crucial, such as plowing or transporting heavy loads.
| Transmission |
Torque Amplifier |
| Type |
partial power shift |
| Gears |
16 forward and 8 reverse |
| Clutch |
dry disc |
| Description |
Four gears (1-4) in two ranges (Low/High) with the two-speed Torque Amplifier power shift (TA/direct). |
SPEEDS 2
| Description |
With 18.4-38 rear tires |
TRANSMISSION 3
The Farmall 1066 tractor features a hydrostatic transmission that offers seamless speed control, allowing for precise adjustments in various agricultural applications. Its infinite (two-range) forward and reverse gearing provides flexibility in maneuvering and operating implements efficiently in confined spaces. However, while hydrostatic systems enhance ease of use, they may require more maintenance and can be less efficient under heavy load compared to traditional gear systems.
| Type |
hydrostatic |
| Gears |
infinite (two-range) forward and reverse |
MECHANICAL
The Farmall 1066 features a robust 4x4 MFWD option, providing enhanced traction in challenging terrains. Its hydraulic dry disc brakes offer reliable stopping power, though maintenance may be more intensive compared to wet alternatives. The availability of multi-speed transmissions allows for versatile operation across various tasks, making it suitable for both heavy-duty fieldwork and lighter duties in diverse agricultural scenarios.
| Chassis |
4x2 2WD/4x4 MFWD 4WD |
| Steering |
power |
| Brakes |
hydraulic dry disc |
| Cab |
Open operator station. Two-post fixed ROPS available. Cab available with optional air-conditioning. |
| Transmissions |
8-speed gear/16-speed partial power shift/hydrostatic |
HYDRAULICS
| Type |
open center |
| Pump flow |
12gpm / 45.4lpm |
| Total flow |
21gpm / 79.5lpm |
| Steering flow |
9 gpm /34.1 lpm |
TRACTOR HITCH
| Rear Type |
III/II |
| Rear lift (at 24 |
5600lbs / 2540kg |
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 |
FARMALL 1066 TIRES
The Farmall 1066 features Ag front tires (11L-15) and Ag rear tires (18.4-38), providing a balanced weight distribution and stability, particularly beneficial for cultivating and plowing. The larger rear tires enhance traction and power transfer, ideal for heavy-duty fieldwork or pulling implements. However, the tire sizes may limit maneuverability in tighter spaces, necessitating careful consideration for operations requiring agility.
| Ag front |
11L-15 |
| Ag rear |
18.4-38 |
DIMENSIONS
| Wheelbase |
105inches / 266cm |
| Length |
165inches / 419cm |
| Width |
98inches / 248cm |
| Height (exhaust) |
11inches / 27cm |
| Clearance (drawbar) |
16inches / 40cm |
| Rear axle |
Bar: 3.25 inch diameter /82 mm |
FARMALL 1066 WEIGHT
| Operating |
12,148lbs / 5510kg (gear)/12,320lbs / 5588kg (hydro)/13,345lbs / 6053kg (duals) |
| Ballasted |
15,260lbs / 6921kg |
DIMENSIONS & TIRES
The Farmall 1066 tractor features a 105-inch wheelbase, providing stability and ease of maneuverability in various agricultural applications. Weighing between 12,148 and 13,345 pounds, it offers substantial traction and resistance to ground compaction, making it suitable for heavy tillage and pulling tasks. Equipped with 11L-15 front tires and 18.4-38 rear tires, it combines power and flotation for effective operation in diverse soil conditions, though tire selection may impact performance in muddy environments.
| Wheelbase |
105inches / 266cm |
| Weight |
12148 to 13345 pounds |
| Front tire |
11L-15 |
| Rear tire |
18.4-38 |
1066 SERIAL NUMBERS
| Location |
Serial number plate on the left side of the tractor's clutch housing. |
| 1971 |
7101 |
| 1972 |
12677 |
| 1973 |
24205 |
| 1974 |
34949 |
| 1975 |
46855 |
| 1976 |
56672 |
