The model is injection molded plastic with over 100 free-standing plastic detail parts, and etched brass roofwalk and brake platform. Both builder variations, Magor and PC&F, are represented and utilized based on the prototype. These cars ride at the prototypically-correct height above the rails, on InterMountain ASF A-3 50-ton friction-bearing trucks fitted with low-profile metal wheelsets. The model is equipped with body-mounted Kadee© Quality Products #148 whisker couplers and Hi-Tech Details air hoses.