Overview
The Farmall 1206 is a farm tractor manufactured by International Harvester in Rock Island, Illinois, between 1965 and 1967. It features a 5.9L 6-cylinder turbocharged diesel engine and was produced in three variants including row-crop, standard front, and Wheatland configurations. With a total production of 8,400 units, the model was equipped with either an 8-speed unsynchronized or a 16-speed partial power shift transmission.
Ideal Applications
Tested Performance Metrics:
According to Nebraska Tractor Test 910, the 1206 recorded a maximum drawbar pull of 10,744 lbs and a maximum PTO power of 112.64 hp at rated engine speed.
Transmission and Drive Configuration:
The unit is listed with a Torque Amplifier that enables a clutchless power shift between Direct Drive and lower gearing, supporting 16 forward and 8 reverse speeds.
Operating Weights and Dimensions:
The tractor has a shipping weight of 9,400 lbs and can be ballasted to 13,580 lbs, featuring a 101-inch wheelbase and a standard height of 86 inches at the steering wheel.
Production
| Description | Built in Rock Island, Illinois, USA / Original price was $9,450 in 1967 |
|---|---|
| Manufacturer | Farmall (a part of International Harvester) |
| Total built | 8,400 |
Engine
| Engine type | International Harvester 5.9L 6-cyl diesel |
|---|---|
| Fuel tank | 42 gal (159.0 L) |
| Air cleaner | two-stage dry |
| Bore/Stroke | 4.125x4.25 inches (105 x 108 mm) |
| Compression | 17.0:1 |
| Coolant capacity | 23.5 qts (22.2 L) |
| Description | International Harvester DT361 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 361 ci (5.9 L) |
| Oil capacity | 15 qts (14.2 L) |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Drawbar (claimed) | 99.6 hp (74.3 kW) |
| Drawbar (tested) | 95.00 hp (70.8 kW) |
| PTO (claimed) | 112.6 hp (84.0 kW) |
| PTO (tested) | 112.64 hp (84.0 kW) |
Transmission
| Description | The Torque Amplifier (TA) provides a clutchless power shift between Direct Drive (DD) and the lower TA gearing. |
|---|---|
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse |
| Transmission | Torque Amplifier |
| Type | unsynchronized / partial power shift |
| Transmission type | 8-speed unsynchronized / 16-speed partial power shift |
| Transmission type | 8-speed unsynchronized / 16-speed partial power shift |
Mechanical
| Cab | Open operator station. Optional one-door cab. Optional heat and air-conditioning. |
|---|---|
| Description | Power steering / Differential hydraulic dry disc brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 12 gpm (45.4 lpm) |
|---|---|
| Valves | 0 to 2 |
Hitch
| Rear Type | III |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 |
Dimensions & Tires
| Height (steering wheel) | 86 inches (218 cm) |
|---|---|
| Length | 153 inches (388 cm) |
| Wheelbase | 101 inches (256 cm) |
| Width | 92 inches (233 cm) |
| Front tire | 7.50-16 |
| Rear tire | 18.4-38 |
| Weight | 9400 to 10115 pounds |
| Wheelbase | 101 inches (256 cm) |
| Ag front | 7.50-16 |
| Ag rear | 18.4-38 |
1206 Serial Number Location
| Description | On clutch housing, left side |
|---|
1206 Serial Numbers
| 1965 | 7501 |
|---|---|
| 1966 | 8626 |
| 1967 | 12731 |
| Description | FAQ: How to read a serial number table. |
Farmall 1206 Weight
| Ballasted | 13580 lbs (6159 kg) |
|---|---|
| Operating | 10115 lbs (4588 kg) |
| Shipping | 9400 lbs (4263 kg) |
Nebraska Tractor Test 910
| Description | Diesel Torque Amplifier 2WDSeptember 8 - 23, 1965Link: Nebraska Tractor Test 910 file / PTO performance / Drawbar performance / Gear 1-DD used for power test. / Gear 1-TA used for pull test. |
|---|---|
| Fuel use | 7.1 gal/hour (26.9 l/hour) / 6.5 gal/hour (24.6 l/hour) / 7.0 gal/hour (26.5 l/hour) |
| Max power | 95.00 hp (70.8 kW) |
| Max pull | 10,744 lbs (4873 kg) |
| Power at rated engine speed | 112.64 hp (84.0 kW) |
| Power at rated PTO speed | 106.63 hp (79.5 kW) |
References
| Description | 1206 Turbo Tractors published by International Harvester / Farm Equipment Reference Catalog published in 1965, by International Harvester |
|---|
Variants
| Farmall 1206 | row-crop |
|---|---|
| IH 1206 | standard front |
| Wheatland | larger platform, heavy drawbar |