Challenger CL4P9CS Caster Set (Set Of 4) The Challenger CL4P9CS is a 4-piece caster set that mounts to a four-post lift's cross beams via a pin attachment system, enabling repositioning of CL4P7 and CL4P9 series lifts across level floors without disassembly or permanent modification. A single SKU is compatible with both the 7,000 lb CL4P7 and all 9,000 lb variants (CL4P9S, CL4P9X, CL4P9W), and all mounting hardware is included. When lowered, weight transfers fully from the base plates to the caster wheels, allowing one-person repositioning on level concrete. Features 4-piece caster set that converts a stationary Challenger four-post lift into a mobile unit Compatible with the 7,000 lb CL4P7 and all 9,000 lb variants (CL4P9S, CL4P9X, CL4P9W) under one SKU Pin attachment system mounts to existing cross beam points with no permanent modifications Complete hardware package included: M10 bolts, nuts, washers, pivot pins, hairpin cotters, and pull rings Weight transfers fully from base plates to caster wheels for one-person repositioning on level concrete Fully removable for stationary stability during vehicle service; compatible with free-standing installations Specifications Product Specifications Model Number CL4P9CS Manufacturer Challenger Lifts Quantity Set of 4 Casters Hardware Included Yes, complete kit with bolts, nuts, washers, pins, cotters, and pull rings Compatibility Compatible Lifts CL4P7 (7,000 lb), CL4P9S, CL4P9X, CL4P9W (9,000 lb)