The main purpose of modernization is the principal extension of the service life of trams, the addition of a low-floor part, the improvement of passenger and driver comfort and the improvement of the economy of operation. The main change is the replacement of the body for the new body. Further, the drive part changes for asynchronous according to the requirements of the customer. It is possible and desirable to modernize the interior, the place of the driver and install an air conditioner for the driver's cab.
You can leave the carts in the original CCD, incl. engines, only replace the brakes behind the disc. But it is possible to upgrade the trolleys with an insert of the primary spring suspension and asynchronous motors or replace it with new trolleys.
