The article offers a justification of actions to improve the level of service of "Transportnik", located in Art. Kazan. It is recommended to combine the zone of the TO-1 and a storage room, special area for repair of chassis Mersedes cars. The calculations showed that the existing TO-2 of the zone will be sufficient to service incoming vehicles. While direct technical repair zone chassis no cars. The payback period of the project will be 1.15 years.

Keywords: transport, car maintenance, car service, technical service, chassis, isothermal van, technical repair, two post lift, the payback period, cost-effectiveness.

The article proves the urgency of the technical service of cars that are operated in rough terrain with the help of a mobile workshop. The main tasks of diagnostics of cars operated on rough terrain are singled out. The main systems necessary for equipment on a car that performs the functions of a mobile workshop are determined.

Keywords: Car, maintenance, repair, diagnostics, mobile workshop, all-terrain vehicle, reduction of machine downtime, work efficiency