HO 50' PC&F Ex-Post Box, PFG/D&RGW #61672PROTOTYPE AND BACKGROUND INFO: Starting in the 1960s, insulated boxcars started to become common on most railroads. This type of car was useful for hauling canned goods or other commodities that needed to be protected from temperature extremes. The model depicted by this Athearn Genesis car was built by Pacific Car & Foundry and features different side panel construction and door types per prototype. The cars also feature a detailed cushion underframe