Farmall 1206
Power
125 hp[P] hp
Production
1965-1967
Engine
Turbocharged diesel, 6-cylinder
Transmission
Unsynchronized
Drive
2WD/4WD
From the same series:
Introduction
Farmall 1206 Agricultural Tractor
Produced between 1965 and 1967 in Rock Island, Illinois, the Farmall 1206 is a heavy-duty tractor designed for high-performance field operations. Part of the International Harvester line, this model was engineered to provide significant power and versatility for large-scale agricultural tasks.
Engine and Performance
The tractor is powered by the International Harvester DT361, a 361 cubic inch (5.9 L) turbocharged diesel engine. This 6-cylinder, liquid-cooled unit produces 125 horsepower at a rated engine speed of 2400 RPM. The engine cooling system has a capacity of 23.5 quarts (22.2 L), while the oil system requires 15 quarts (14.2 L).
Transmission and Drivetrain
The 1206 offers two transmission configurations: a standard 8-speed unsynchronized gearbox or a 16-speed partial power shift transmission. The latter includes the Torque Amplifier (TA), which allows for clutchless power shifting between direct drive and lower reduction gearing. The tractor is available in both two-wheel and four-wheel drive variants.
Hydraulics and PTO
Equipped with an independent rear power take-off (PTO) operating at 1000 RPM, the 1206 is compatible with a wide range of heavy implements. The hydraulic system utilizes a pump providing a flow rate of 12 gallons per minute (45.4 lpm) and supports up to two remote valves.
Dimensions and Operator Environment
The chassis features a 101-inch (256 cm) wheelbase and is supported by 7.50-16 front and 18.4-38 rear agricultural tires. The standard operator station is open, though optional configurations included a one-door cab with available heating and air-conditioning systems. Steering is power-assisted, and braking is managed by differential hydraulic dry disc brakes.
Conclusion
With 8,400 units produced, the Farmall 1206 remains a notable example of mid-1960s agricultural engineering. Its combination of a turbocharged engine and advanced partial power shift transmission made it a robust solution for demanding traction and field work.
Production Information of Farmall, 1206
- Original price was $9,450 in 1967
- Built in Rock Island, Illinois, USA
| Manufacturer | Farmall (a part of International Harvester) |
|---|---|
| Total built | 8,400 |
Dimension and Tires Information of Farmall, 1206
| Wheelbase | 101 inches [256 cm] |
|---|---|
| Height (steering wheel) | 86 inches [218 cm] |
| Length | 153 inches [388 cm] |
| Width | 92 inches [233 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 18.4-38 |
Engine Specifications of Farmall, 1206
- International Harvester DT361
- Liquid-cooled
- Turbocharged diesel
- 6-cylinder
| Oil capacity | 15 qts [14.2 L] |
|---|---|
| Displacement | 361 ci [5.9 L] |
| Compression | 17.0:1 |
| Bore/Stroke | 4.125x4.25 inches [105 x 108 mm] |
| Coolant capacity | 23.5 qts [22.2 L] |
| Starter volts | 12 |
| Rated RPM | 2400 |
| Air cleaner | Two-stage dry |
Transmission Information of Farmall, 1206
Transmission variants 1
| Type | Unsynchronized |
|---|---|
| Gears | 8 forward and 4 reverse |
Transmission variants 2
- The Torque Amplifier (TA) provides a clutchless power shift between Direct Drive (DD) and the lower TA gearing.
| Transmission | Torque Amplifier |
|---|---|
| Type | Partial power shift |
| Gears | 16 forward and 8 reverse |
- 8-speed unsynchronized
- 16-speed partial power shift
Mechanical Specs of Farmall, 1206
- Two- or four-wheel drive
- Open operator station. Optional one-door cab. Optional heat and air-conditioning.
- Power steering
- Differential hydraulic dry disc brakes
Power Information of Farmall, 1206
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 1000 |
Hydraulics Specifications of Farmall, 1206
| Valves | 0 to 2 |
|---|---|
| Pump flow | 12 gpm [45.4 lpm] |
Three-Point Hitch of Farmall, 1206
| Rear Type | III |
|---|
Where it sits
With 125 hp[P] HP, the Farmall 1206 sits just above 806 (110 HP) in Farmall's range. Its power puts it in the 92th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the Farmall 1206 have?
The Farmall 1206 delivers 125 hp[P] HP.
What years was the Farmall 1206 produced?
The Farmall 1206 was produced in 1965-1967.
What engine does the Farmall 1206 have?
The Farmall 1206 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the Farmall 1206 use?
The Farmall 1206 uses a Unsynchronized transmission.
Is the Farmall 1206 4WD?
The Farmall 1206 is available in 2WD/4WD.