What is a truck gearbox

The gearbox mainly refers to the automobile gearbox, which is divided into manual and automatic, the manual transmission is mainly composed of gears and shafts, through different combinations of gears to generate variable torque; The automatic transmission AT is made up of Torque converter, planetary gears, and a hydraulic control system.

Functions: first, change the transmission ratio; second, in the engine rotation direction unchanged, so that the car can drive backward; third, the use of neutral, interrupt power transmission, so that the engine can start, idle, and facilitate transmission shift or power output.

Mercedes-Benz ActrosC heavy truck 580 horsepower 4X2 tractor