Machine description: 1979 John Deere 4040 tractorHours: UnknownSerial: 005474REngineCylinders: 6Fuel type: DieselTransmissionQuad-range16F - 6ROperators stationAC, heatFeaturesPTO: 540, 1000Three pointTop linkSeven pin ou... more info about the 1979 John Deere 4040.