Challenger Lifts 44030 Chain-Drive Four Post Lift 30,000 lbs. CapacityChallenger Lifts 44030 Chain Drive 30K Four Post Lift Commercial Fleet Heavy Duty 30,000 lbs. Capacity The Challenger Lifts 44030, 44030E, and 44030X are designed as an economic high capacity 30,000 lbs. lifting solution in a traditional four post design. Diamond plated anti skid runways and approach ramps provide for positive vehicle traction and long lasting durability. Heavy duty cylinders provide optimal performance as well as minimal maintenance