Rugged, Reliable, Maximum Output, Only from Ox No gimmicks, just hard facts. The Ox SuperDump will help you increase payloads ... up to 25 tons and 80,000 GVWR (in most states) allowing you to reduce operating costs by using fewer trucks, making fewer trips, using fewer employees, less fuel, and lowering license fees and insurance costs. Featured as part of four, six, or seven axle configurations, the Silent Drive Maxle™ air-suspension trailing axle is designed to distribute the increased payload and provide a smooth ride with superb stability and handling over other designs. read more