The use of the SolidWorks CAD/CAM/CAE/PDM system and its SolidWorks Simulation application for solving problems of the mechanics of a deformed solid body in the specialty "Automotive transport" is under consideration: the performance of the satellites of the front axle differential of the LuAZ car, impact on the stability of the steering bipod of the LiAZ bus, the possibility of optimizing the clutch lever of the tractor.