he Detachable Gooseneck Lowboy Trailer (DG Lowboy) is a semi-trailer designed specifically for transporting heavy equipment, machinery and construction machinery (loader,excavator,bulldozer). This low-bed semi-trailer features a detachable gooseneck section on the front of the vehicle, which allows heavy equipment to be driven directly onto the vehicle from the ground, or lowered and raised by a hydraulic system for loading and unloading.