International Harvester 1206
Power
125 hp[P] hp
Production
1965-1967
Engine
Turbocharged diesel, 6-cylinder
Transmission
Unsynchronized
Weight
10115 lbs [4588 kg]
Drive
2WD/4WD
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Introduction
International Harvester 1206 Agricultural Tractor
The International Harvester 1206 is a heavy-duty tractor produced between 1965 and 1967 in Rock Island, Illinois. Positioning itself as a high-power machine for its era, it was designed to address demanding field operations through a turbocharged diesel powertrain and robust structural build.
Engine and Performance
The tractor is powered by the International Harvester DT361, a 5.9-liter, 6-cylinder turbocharged diesel engine. It operates at a rated speed of 2400 RPM with a compression ratio of 17.0:1. The engine features a liquid-cooled system and a two-stage dry air cleaner, ensuring durability and consistent performance under heavy load conditions.
Transmission and Drivetrain
The 1206 offers two primary transmission configurations: a standard 8-speed unsynchronized gearbox or a 16-speed partial power shift transmission equipped with a Torque Amplifier. The Torque Amplifier allows for clutchless shifting between direct drive and lower gearing, enhancing operational efficiency in the field. The machine is available in both two-wheel and four-wheel drive variants.
Hydraulics and Hitch
Equipped with a hydraulic system delivering a pump flow of 12 gpm (45.4 lpm), the tractor supports up to two valves for implement control. It features a Category III rear hitch and an independent rear power take-off (PTO) operating at 1000 RPM, providing the necessary interface for a wide range of agricultural implements.
Dimensions and Operator Environment
With an operating weight of 10,115 lbs (4,588 kg), which can be increased to 13,580 lbs (6,159 kg) with ballast, the tractor provides substantial traction. It features power steering and differential hydraulic dry disc brakes for maneuverability and stopping power. The operator station is open, with optional one-door cabin configurations available, including heating and air conditioning.
Conclusion
The International Harvester 1206 is a high-capacity tractor tailored for intensive agricultural tasks. Its combination of a turbocharged engine, partial power shift transmission, and significant ballast capacity makes it a suitable choice for heavy traction work, remaining a notable model for historical agricultural equipment enthusiasts.
Production Information of International Harvester, 1206
- Original price was $9,450 in 1967
- Built in Rock Island, Illinois, USA
| Manufacturer | International Harvester |
|---|---|
| Total built | 1,289 |
Dimension and Tires Information of International Harvester, 1206
| Wheelbase | 91 inches [231 cm] |
|---|---|
| Operating weight | 10115 lbs [4588 kg] |
| Height (steering wheel) | 86 inches [218 cm] |
| Length | 153 inches [388 cm] |
| Ballasted weight | 13580 lbs [6159 kg] |
| Width | 94 inches [238 cm] |
| Ag front | 11.00-16 |
|---|---|
| Ag rear | 24.5-32 |
Engine Specifications of International Harvester, 1206
- International Harvester DT361
- Liquid-cooled
- Turbocharged diesel
- 6-cylinder
| Air cleaner | Two-stage dry |
|---|---|
| Displacement | 361 ci [5.9 L] |
| Compression | 17.0:1 |
| Bore/Stroke | 4.125x4.25 inches [105 x 108 mm] |
| Starter volts | 12 |
| Rated RPM | 2400 |
Transmission Information of International Harvester, 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 International Harvester, 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 International Harvester, 1206
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 1000 |
Hydraulics Specifications of International Harvester, 1206
| Valves | 0 to 2 |
|---|---|
| Pump flow | 12 gpm [45.4 lpm] |
Three-Point Hitch of International Harvester, 1206
| Rear Type | III |
|---|
Where it sits
With 125 hp[P] HP, the International Harvester 1206 sits just above 806 (105 HP) in International Harvester'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 International Harvester 1206 have?
The International Harvester 1206 delivers 125 hp[P] HP.
What years was the International Harvester 1206 produced?
The International Harvester 1206 was produced in 1965-1967.
What engine does the International Harvester 1206 have?
The International Harvester 1206 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the International Harvester 1206 use?
The International Harvester 1206 uses a Unsynchronized transmission.
How much does the International Harvester 1206 weigh?
The International Harvester 1206 weighs 10115 lbs [4588 kg].
Is the International Harvester 1206 4WD?
The International Harvester 1206 is available in 2WD/4WD.