ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Online since 2002, it's one of the oldest and largest model railroad forums on the web. Whether you're a master model railroader or just getting started, you'll find something of interest here.
ATSF never owned any of the FMC 4700 cf hoppers. These MDC models are likely lettered for ATSF 4427 cf low side hoppers, which are offered by Walthers. I would consider repainting this model into a different paint scheme.