... -20,payload,1.5t,envelope shape size,2000*1000*500Single axle two wheel air brake,connecting mode,towbar Unload mode:hydraumatic ... -20,payload,1.5t,envelope shape size,2000*1000*500Single axle two wheel air brake,connecting mode,towbar Size of connector ... ,more loading.Balanced rigid suspension,simple but durable. 30 ton farm trailer, flatbed trailer,tractor trailer