Mobile workshop, auto laboratory, type 6YN31, modification 6Y311E with CMU of "UZPM" Ltd. make ANT 1.8-2, ANT 2.5-2, ANT 4.4-1,

Mobile technical assistance with a crane-manipulator unit on the URAL chassis is designed for transporting personnel, as well as for the transport and use of equipment by repair crews in places of accidents and preventive maintenance at ambient temperatures from -40C to +45C. The van is made of sandwich panels, equipped with passenger seats, folding table, windows, hatches, side entrance door with folding ladder and handrails for easy access. Galvanised steel sheets with polymer-powder coating are used as the outer lining of the van, the inner lining of the van is made of laminated plywood. For heating of the compartment there is an autonomous heater, for lighting of the van there are plafonds. The flatbed is made of galvanised painted profile. On the rear overhang there is a hydraulic crane-manipulator unit, which allows loading heavy equipment and units without much labour for the personnel.