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

FeatureInternational Harvester 856TractorFarmall 1206Tractor
Tractor TypeUtility TractorRow-Crop Tractor
Horsepower70.8 kW82.0 kW
Weight4665.0 kg4588.0 kg
Transmission TypeSliding gearPartial power shift
Pump Flow45.4 LPM45.4 LPM
Years Made1967-19711965-1967
Engine ModelInternational Harvester C-301International Harvester DT361
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeGasoline/LP-gasDiesel
Cylinders66
Displacement4932 cc5915 cc
Bore9.70 cm10.49 cm
Stroke11.20 cm10.79 cm
Rear PTO TypeIndependentIndependent
Rear PTO Speed540 RPM1.000 RPM
Rated RPM2400 RPM—
Compression Ratio7.7:1/8.8:17.0:1
BatteryTwo 6VTwo 6V
StarterElectricElectric
Fuel Tank Capacity159.0 l132.5 l
Oil Capacity8.5 l—
Coolant Capacity20.3 l—
Gears8 forward and 4 reverse16 forward and 8 reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×2 2WD or 4×4 FWA 4WD
BrakesDifferential hydraulic dry discDifferential hydraulic dry disc
Drawbar CategoryIIIII or IH Fast Hitch
Cabin TypeOpen operator stationOpen operator station or Cab
Steering TypePowerHydrostatic power
Front TiresAg: 11L-15Ag: 7.50-16
Rear TiresAg: 18.4-38Ag: 18.4-38
Length—401.5 cm
Height—218.0 cm
Transmission Model—Torque Amplifier
Max. Travel Speed—15.3 km/h
Valves—0 to 2
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