MTH Railking 30-71131 O Gauge Rounded Roof Boxcar US Army Era_1931-1937 Diameter: 41

Diameter: 41

Built 2014

Measures: 4 x 2-1/4 x 1-1/2" 10

The cars are lined and kept in dedicated service to avoid cross-contamination

MTH Railking 30-71131 O Gauge Rounded Roof Boxcar US Army Era_1931-1937 Diameter: 41MTH Railking 30 71131 O Gauge Rounded Roof Boxcar US Army The 40 steel box car so familiar to model railroaders was a product of the 1930s. Wood box cars, which were built into the World War I era, and early steel cars were largely non standardized, with details varying from railroad to railroad. The move toward standardization began with American Railway Association (ARA) designs of 1923 and 1932. It culminated in the 1937 AAR boxcar, which was