Lego technic truck D12

This is the full version of my MOC D12. Truck 8x2x6 with a traile. -Truck size : stud -Trailer size: 68x15x21 stud -All size : 92x20x22 stud -weight more than 2 kg There are only 3 motors in this model. 2 motors in truck and one in the trailer. 2 battery packs. The first one is in a in a sleeping place. The second one is located under the rear axle of the trailer. Track functions: -Doors open -The cabin reclines -Steering 3 of 4 axes on the right angles -The steering wheel rotates from the steering system -The turning radius is 24 centimeters -Automatic coupling -portal gear on 3 axes -For driving l motor -For steering l motor Trailer functions : -lifting supports -truck decoupling system - opening tailgate - for lowering the supports and for uncoupling l motor I ca