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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureInternational Harvester 1206TractorInternational Harvester 686Tractor
Tractor TypeFarm TractorUtility Tractor
Horsepower82.0 kW—
Weight4590.0 kg4690.0 kg
Transmission TypePartial power shiftTwo-speed power shift
Length389.0 cm411.0 cm
Pump Flow45.4 LPM—
Years Made1965-19671976-1980
Engine ModelInternational Harvester DT361International Harvester C291
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselGasoline
Cylinders66
Displacement5915 cc4769 cc
Bore10.49 cm9.50 cm
Stroke10.79 cm11.20 cm
Rear PTO TypeIndependentIndependent
Rear PTO Speed1.000 RPM540 RPM
Compression Ratio17.0:1—
BatteryTwo 6V—
StarterElectricElectric
Height218.0 cm266.0 cm
Fuel Tank Capacity132.5 l117.3 l
Transmission ModelTorque AmplifierTorque Amplifier
Gears16 forward and 8 reverse10 forward and 2 reverse
Chassis4×2 2WD or 4×4 FWA 4WD4×2 2WD
Max. Travel Speed15.3 km/h4.7 km/h
BrakesDifferential hydraulic dry discDisc
Drawbar CategoryIII or IH Fast HitchII
Cabin TypeOpen operator station or CabTwo-post fixed ROPS
Steering TypeHydrostatic powerPower
Front TiresAg: 7.50-16Ag: 7.50-16
Rear TiresAg: 18.4-38Ag: 15.5-38
Valves0 to 2—
Wheelbase—261.0 cm
Oil Capacity—11.4 l
Coolant Capacity—19.9 l
Transmission Oil Capacity—60.6 l
Hydraulic Capacity—60.6 l
Hydraulic Type—Open center
Total Flow—45.4 LPM
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051