International Harvester 1206
The International Harvester 1206 is a tractor produced by International Harvester. It is equipped with a 361 ci 5.9 L engine. The rated power output is 112.64 hp 84.0 kW. Transmission: Torque Amplifier. Operating weight: 10115 lbs 4588 kg.
Engine Power
112.64 hp
84.0 kW
Fuel & Capacities
35 gal
132.5 L
Transmission
Torque Amplifier
Operating Weight
10115 lbs
4588 kg
International Harvester 1206 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1965 - 1967 | 1965 - 1967 |
|---|
Production | |
|---|---|
Manufacturer | International Harvester |
Built in Rock Island, Illinois, USA | |
Total built | 1,289 |
Original price was $9,450 in 1967 | |
Variants | |
|---|---|
IH 1206 | standard front |
Farmall 1206 | row-crop |
Wheatland | larger platform, heavy drawbar |
International Harvester 1206 Engine | |
|---|---|
International Harvester 5.9L 6-cyl diesel | |
Fuel tank | 35 gal
132.5 L |
Engine details ... | |
International Harvester 1206 Power | |
|---|---|
Drawbar (claimed) | 99.6 hp
74.3 kW |
PTO (claimed) | 112.6 hp
84.0 kW |
Drawbar (tested) | 95.00 hp
70.8 kW |
PTO (tested) | 112.64 hp
84.0 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Differential hydraulic dry disc brakes | |
Open operator station. Optional one-door cab. Optional heat and air-conditioning. |
Hydraulics | |
|---|---|
Valves | 0 to 2 |
Pump flow | 12 gpm
45.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 91 inches
231 cm |
Weight | 10115 lbs
4588 kg |
Front tire | 11.00-16 |
Rear tire | 24.5-32 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
1206 Turbo Tractors published by International Harvester | |
Farm Equipment Reference Catalog published in 1965, by International Harvester |
Engine
Engine Detail — 361 ci / 5.9 L Diesel
Manufacturer | International Harvester DT361 |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 361 ci
5.9 L |
Bore/Stroke | 4.125x4.25 inches
105 x 108 mm |
Air cleaner | two-stage dry |
Compression | 17.0:1 |
Rated RPM | 2400 |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
8-speed unsynchronized | |
16-speed partial power shift |
Transmission — 8 forward and 4 reverse unsynchronized
Type | unsynchronized |
Gears | 8 forward and 4 reverse |
Transmission — Torque Amplifier
Transmission | Torque Amplifier |
Type | partial power shift |
Gears | 16 forward and 8 reverse |
The Torque Amplifier (TA) provides a clutchless power shift between Direct Drive (DD) and the lower TA gearing. | |
![]() | |
Dimensions
International Harvester 1206 Tires | |
|---|---|
Ag front | 11.00-16 |
Ag rear | 24.5-32 |
Dimensions | |
|---|---|
Wheelbase | 91 inches
231 cm |
Length | 153 inches
388 cm |
Width | 94 inches
238 cm |
Height (steering wheel) | 86 inches
218 cm |
Operating weight | 10115 lbs
4588 kg |
Ballasted weight | 13580 lbs
6159 kg |
Tests
Nebraska Tractor Test 910 | |
|---|---|
Diesel Torque Amplifier 2WD
September 8 - 23, 1965
Link: Nebraska Tractor Test 910 file | |
PTO performance | |
Power at rated engine speed | 112.64 hp
84.0 kW |
Fuel use | 7.1 gal/hour
26.9 l/hour |
Power at rated PTO speed | 106.63 hp
79.5 kW |
Fuel use | 6.5 gal/hour
24.6 l/hour |
Drawbar performance | |
Max power | 95.00 hp
70.8 kW |
Fuel use | 7.0 gal/hour
26.5 l/hour |
Gear 1-DD used for power test. | |
Max pull | 10,744 lbs
4873 kg |
Gear 1-TA used for pull test. | |
Photos
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