These patented ramps can be converted to load bridges with a 23,500· lbs rating. All that is required are stakes to hold the ramps in the upright position and securely chained in place as well as lumber clips to position the donnage on the ramp. The stakes have an easy width adjustment to accommodate all 102" wide trailers.

Reduced Height Combination Ramp and Load Leveler  US Patent # 7,930,788 B1