Load Simulation for HGV’s & Trailers Braking Tests / HGV Load Simulators / By admin Load Simulation for Heavy Vehicles We supply a number of load simulation systems for heavy vehicles, ranging from the conventional axle load simulation to the hydraulic raising bed DVSA approved VAMAG Brake Tester that loads the axles automatically. VAMAG Raised Bed RBT BM74000 1000x650px 1