HIND DEPENDENT TRACTION CAR PARKING SYSTEM consists of four laterals supports rigidly grouted to the floor with anchor bolts on a levelled concrete floor. Motor & Chain move via a common hoisting slider – which are guided on the supports the platform. The synchronism of the Motor during rising and lowering is equalized via a change torsion wave. An automatic electromagnet lowering blocking to prevent unintentionally lowering as well as a catch hook acts as a safety device. It is also known as 4 post /stack car parking system.