Description It helps reduce side tipping when a railcar is being unloaded. An unbalanced load can cause a railcar to tip sideways suddenly. Spin-Top Screw Head Maximum Screw Elevation: 6" Maximum Height: 54" (with screw fully extended) Load Capacity: 75,000 lbs. Base: 19" Diameter Top Cap: 5" Diameter Base: 19" Dia. Steel Circle Weight varies depending on height of jack. For proper support, install four stabilizers per railcar, one at each end of the car and at the designated location for jacking or lifting the car. Always brake and chock the car first, then install stabilizers. Check stabilizer contact with the car body during unloading, as the car may rise as it lightens. Quality Features Class 2G Acme screw threads for a smooth fit and good support. Bolt and washer prevent over-extension of the screw. Steel sleeve protects axle. Steering handle for easy control of jack. Durable powder coat finish. 10" Diameter Rubber Tires
