Bring realistic variety to your HO steam- and diesel-era freight service with these detailed replicas from WalthersMainline. Based on later rebuilds and upgrades of standard 40' boxcars designed by the United States Railroad Administration (USRA) introduced during WWI, these cars would remain in general freight service into the 1960s, with many rebuilt for work train service lasting into the 1980s. Nicely detailed, fully assembled and affordably priced to make it easy to expand your fleet, features of these models include: