Lifts that won't buckle under pressure Hunter's L421 and L424 Four-Post Lifts both have 22+" runways constructed of 5/16" steel. The L421 combines a 14,000-lb. capacity and an open front for easy access to vehicles and jacks, while the L424 offers a solid front crossbeam to support a 16,000-lb. capacity. Chrome-plated pins and large diameter iron pulleys with Teflon bearings ensure long life. Louvered approach ramps prevent wheel spring and are effective in wet weather. The maximum general service wheelbase is 188 +" for both the L421 and L424, with anextension kit available for the L421.