Challenger Lifts 44040 Chain-Drive Four Post Lift 40,000 lbs. CapacityChallenger Lifts 44040 Chain Drive 40K Four Post Lift Commercial Fleet Heavy Duty 40,000 lbs. Capacity The Challenger Lifts 44040, 44040E, and 44040X are designed as an economic high capacity 40,000 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