NCG Cryogenic Tank Car (Pack of 2). High Capacity Railroad Tank Cars for Cryogenic Fluids, or Cryogenic Tank Cars for short, are used for the transportation of super-cold fluids such as liquid oxygen, nitrogen and argon. These tank cars solved the problem of maintaining extremely low temperatures while transporting large quantities of these materials over long distances. Features: Beautifully Detailed and Accurately Modeled; Precision Paint, Color, and Lettering Schemes; Many Separately Applied Details including Hand Rails, ladders, brake wheel, roof walkway; Detailed Underbody; Composition: ABS body, Diecast Chassis; Wheel Composition: Metal; Couplers: (2) Operating Kadee Compatible; Compatible Tracks: Code 83 and 100 Rail; Minimum Operating Radius: 18 in.