International Harvester

International Harvester 1206

The International Harvester 1206 is a farm tractor produced from 1965 to 1967 by International Harvester in Rock Island, Illinois, USA. It features a turbocharged 5.9L 6-cylinder diesel engine producing approximately 105.5 hp estimated engine power, with claimed drawbar power of 99.6 hp and PTO power of 112.6 hp. The tractor offers two transmission options: an 8-speed unsynchronized and a 16-speed partial power shift with a Torque Amplifier for clutchless shifting. It has two- or four-wheel drive, power steering, and differential hydraulic dry disc brakes. The operator station is open with optional cab and climate control. Hydraulics include 0 to 2 valves with a 12 gpm pump flow. The tractor hitch is category III with an independent 1000 RPM rear PTO. Dimensions include a 91-inch wheelbase, 153-inch length, and an operating weight of 10,115 lbs. Variants include the IH 1206 standard front, Farmall 1206 row-crop, and Wheatland with a larger platform and heavy drawbar.

Power125 hp[P]

Founded1965 - 1967

Model1206

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Technical Specifications

Detailed specifications and technical data for International Harvester 1206

Power

PTO (tested)	112.64 hp (84.0 kW)
PTO (claimed)	112.6 hp (84.0 kW)
Drawbar (tested)	95.00 hp (70.8 kW)
Drawbar (claimed)	99.6 hp (74.3 kW)

Engine

Type	turbocharged diesel
Cooling	liquid-cooled
Cylinders	6-cylinder
Fuel tank	35 gal (132.5 L)
Rated RPM	2400
Air cleaner	two-stage dry
Bore/Stroke	4.125x4.25 inches (105 x 108 mm)
Displacement	361 ci (5.9 L)
Engine model	International Harvester DT361
Starter volts	12
Compression ratio	17.0:1

Variants

IH 1206	standard front
Wheatland	larger platform, heavy drawbar
Farmall 1206	row-crop

Hydraulics

Valves	0 to 2
Pump flow	12 gpm (45.4 lpm)

Mechanical

Drive	Two- or four-wheel drive
Brakes	Differential hydraulic dry disc brakes
Steering	Power steering
Operator station	Open operator station. Optional one-door cab. Optional heat and air-conditioning.

Production

Built in	Rock Island, Illinois, USA
Total built	1,289
Original price	$9,450 in 1967
Years produced	1965 - 1967

Transmission

Options	8-speed unsynchronized, 16-speed partial power shift
Type (8-speed)	unsynchronized
Gears (8-speed)	8 forward and 4 reverse
Type (16-speed)	partial power shift
Gears (16-speed)	16 forward and 8 reverse
Torque Amplifier	provides a clutchless power shift between Direct Drive (DD) and the lower TA gearing

Tractor hitch

Rear Type	III

Serial Numbers

1965	7501
1966	7772
1967	8492

Dimensions & Tires

Width	94 inches (238 cm)
Length	153 inches (388 cm)
Rear tire	24.5-32
Wheelbase	91 inches (231 cm)
Front tire	11.00-16
Ballasted weight	13580 lbs (6159 kg)
Operating weight	10115 lbs (4588 kg)
Height (steering wheel)	86 inches (218 cm)