trailer 1. 3~20 tons trailer manufactuer capacity. 2. OEM with drawings capacity. 3. ATV, farm trailer, truck trailer trailertrailer 3-20 tons pass the CE certificate, is suitable for heavy-duty transportation and matched tractor from 25-200hp. With centreless turning form, leaf spring damp, tripod traction, steering signal light, left/right barrier, 2 or 3 direction tipping, double fuel tank, ...