Felling Trailers, Inc., a national manufacturer of industrial and commercial trailers, received certification for their UN31 Tank design. The UN31 tank is certified as a fuel tank with 607 usable gallons. It is intended use is for the mobile generator industry. The UN31 tanks were designed to be compatible with Felling’s DDG drop deck generator trailer line. The tank option is used in conjunction with an OEM’s Genset mounted to the trailer frame. The tank is certified to meet the safety standards of CAN/CGSB-43.146 for metal IBCs (intermediate bulk containers) for use with liquids in packing group III, such as diesel fuel.