Farmall 1206
The Farmall 1206 is a tractor produced by Farmall. It is equipped with a 361 ci 5.9 L engine. The listed engine power is 112.64 hp 84.0 kW. Transmission: Torque Amplifier. Operating weight: 9400 to 10115 pounds.
Engine Power
112.64 hp
84.0 kW
Fuel & Capacities
42 gal
159.0 L
Transmission
Torque Amplifier
Operating Weight
9400 to 10115 pounds
Overview
 | 1965 - 1967 |
|---|
Production | |
|---|---|
Manufacturer | Farmall (a part of International Harvester) |
Built in Rock Island, Illinois, USA | |
Total built | 8,400 |
Original price was $9,450 in 1967 | |
Variants | |
|---|---|
IH 1206 | standard front |
Farmall 1206 | row-crop |
Wheatland | larger platform, heavy drawbar |
Farmall 1206 Engine | |
|---|---|
International Harvester 5.9L 6-cyl diesel | |
Fuel tank | 42 gal
159.0 L |
Engine details ...  | |
Farmall 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 | 101 inches
256 cm |
Weight | 9400 to 10115 pounds |
Front tire | 7.50-16 |
Rear tire | 18.4-38 |
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 |
Oil capacity | 15 qts
14.2 L |
Coolant capacity | 23.5 qts
22.2 L |
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
Farmall 1206 Tires | |
|---|---|
Ag front | 7.50-16 |
Ag rear | 18.4-38 |
Dimensions | |
|---|---|
Wheelbase | 101 inches
256 cm |
Length | 153 inches
388 cm |
Width | 92 inches
233 cm |
Height (steering wheel) | 86 inches
218 cm |
Farmall 1206 Weight | |
|---|---|
Shipping | 9400 lbs
4263 kg |
Operating | 10115 lbs
4588 kg |
Ballasted | 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
Farmall 1206, right profile
Farmall 1206, front-left
Farmall 1206 with four-wheel drive.
Farmall 1206 with tricycle front end.
Recommended Implements & Sizing Guide
Engineering recommendations for Farmall 1206 based on its 112.64 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Farmall 1206.
Estimated Continuous Field Runtime: 7.2 hrs
Approximately 7.2 hours of continuous field operation at ~75% rated power on a full tank (42 gal / 159 L).
Estimated 75% Load Fuel Burn~5.9 gal/hr (22.2 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Farmall 1206 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Farmall 1206.
Converted Equivalents:
Horsepower (HP)112.6 hp
Kilowatts (kW)84 kW
Metric Horsepower (PS / CV)114.2 PS
Direct Competitor Comparison
Compare Farmall 1206 against same-era industry alternatives in the same horsepower class.
Current Model
Farmall
Farmall 1206
Engine Power:112.64 hp
84.0 kW
★ Baseline Reference
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