The HO 50' OB Plug Door Boxcar, designated as ATSF #525521, represents a stunning example of railrolling stock. This model is fully assembled and ready to run, allowing enthusiasts to add it directly to their collections or layouts without any further assembly. Crafted with precision, it features a highly-detailed, injection-molded body, painted and printed for realistic decoration. The model is equipped with 70-ton roller bearing trucks and 33-inch wheels, ensuring both durability and smooth operation.

Additional features include separately applied brake wheels and body-mounted McHenry operating scale knuckle couplers, which enhance its operational realism. The precision-machined metal wheels are designed with RP25 contours, enabling compatibility with all popular brands of track. The boxcar is also weighted for optimum performance, with a minimum radius requirement of 18 inches, making it suitable for various track layouts.