DETACHABLE GOOSENECK TRAILER

Gooseneck detachable trailer, also called removable gooseneck trailer refers to a heavy-duty low bed semi-trailer with mechanical or automatic disassembly of the gooseneck detach of the trailer and the loading platform. The main purpose of the gooseneck detach trailer includes the ability to climb the earth-moving machine from the front end of the trailer to the loading platform of the trailer.
https://www.ruitrailer.com/products/detachable-gooseneck-trailer/