Scale model of a heavy truck with a 50-tonne rotating crane, designed for building a functional radio-controlled vehicle. The project includes frame, sleeper cab, dump bed, multi-boom slewing crane with winch and hook, outriggers, suspensions, axles, differentials, single and dual wheels, battery compartment, and components for servos and gearmotors. Each element is a separate part to be assembled with screws and pins to achieve steering, drive, and crane movements