Home - Trailers - Skeletals - Tipping Skeletal Trailer Tipping Skeletal Trailer Dennison Tipping Skeletal Trailers are designed for tipping containers of materials such as foodstuffs, scrap and plastic granules. These trailers are available in a wide range of options to suit customer’s individual specifications. Our tipping skeletal trailers are available in the following models: 20′ sliding bogie 30′ fixed 20’/30′ sliding bogie 40′ fixed FEATURE AND BENEFIT SUMMARY ADR regs optional – for transportation of hazardous or dangerous liquids V blocks to locate tipping frame – locate lifting frame securely in position Plastic hose tubes – to store discharge hoses safe and secure when not in use Non-retractable screw twist locks – for safety when tipping to avoid container moving