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

FeatureAllis Chalmers 180TractorInternational Harvester 766Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Weight4660.0 kg4670.0 kg
Transmission TypePartial powershiftPartial power shift with dry disc clutch
Length401.0 cm—
Pump Flow37.9 LPM45.4 LPM
Years Made1967-19731971-1976
Engine ModelAllis ChalmersInternational Harvester D360
Engine Type4-stroke, liquid-cooled, inline4-stroke, air-cooled, inline
Fuel TypeGasolineGasoline
Cylinders66
Displacement4343 cc5898 cc
Bore9.50 cm9.80 cm
Stroke10.21 cm12.90 cm
Rear PTO Speed540 RPM540, 1000 RPM
Compression Ratio8.2:117.0:1
BatteryOne or two 12V 95A—
StarterElectricElectric
Height211.0 cm—
Width194.0 cm—
Wheelbase251.0 cm260.0 cm
Fuel Tank Capacity93.0 l140.0 l
Oil Capacity11.5 l—
Coolant Capacity16.0 l—
Transmission Oil Capacity22.7 l—
Hydraulic Capacity34.0 l—
Transmission ModelAllis-Chalmers Power DirectorTorque Amplifier
Gears8 forward and 2 reverse16 forward and 8 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed6.3 km/h—
BrakesDifferential discHydraulic dry disc
Drawbar CategoryIIII
Cabin TypeOpen operator stationOpen operator station or Cab
Steering TypeHydraulic powerHydrostatic power
Front TiresAg: 6.50-16; 7.50-16; 9.00-10Ag: 9.5L-15
Rear TiresAg: 14.9/13-28; 16.9/14-28; 18.4/15-28; 23.1/18-26Ag: 18.4-34
Hydraulic TypeOpen centerOpen center
Steering Flow22.0 LPM—
Valves2—
Rear PTO Type—Independent
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