The AtlasO Master (R) 3-rail O Scale Gunderson Maxi-IV Well Car is based on the widely used well cars built in the 2000s into the 2010s. This die-cast model has been tooled from the ground up to be a centerpiece of an intermodal fleet, resulting in a finely detailed, full-scale model. Features include a die cast metal body, applied details, metal wheels, roller bearing trucks with rotating bearing caps and knuckle couplers. This car requires O-54, but larger curves are recommended. The Gunderson Maxi-IV Well Car is perfect for your 2000s-and-later intermodal train consists. Check out the entire line of AtlasO freight cars.