US style detachable gooseneck lowboy “Trailer Tr4 MkII“ build with LEGO®

The trailer features: solid axle suspension on all axles, one set of lights, kingpin, mechanical parking break, gooseneck frame support, remotely controlled liftable third axle, remotely lowering and lifting of the deck and this model has many details. This newly design and engineered trailer utilizes the same suspension as both “US Truck T1 MkII“ and “US Truck T2 MkII“. It uses LEGO® rubber belts and LEGO® rubber axle connectors. Designing and engineering this trailer parts availability is checked. So it