The transverse and fully-sealed 4-speed M/A transmission with internationally advanced full electronic control and low-maintenance has four forward gears and one reverse gear, with larger range of output torque; the control unit is adopted with fuzzy logic automatic adaptive electronic computer which can accurately control the gear shift, pressure in main oil circuit, oil passing through the oil cooler, etc., making the operation easier and allowing you to experience a go-as-you-please driving.