This is an American Model Builders 609 N Yard Office 2 x 1 x 2 5

There is additional imprinting on the top of the transport units

Topeka & Santa Fe #27166 * Limited Edition -- One Time Run of These Roadnumbers

Because it has low power needs there is no real need for added boosters just for point motors

Atlas 50000743 N 1932 ARA Boxcar Clinchfield/Quick Service #5149 ProductID_12377778 This is an American ModelA goal of the American Railway Association (ARA) in the early 1920s was to produce an all steel box car that could be recognized as a standard by the member railroads. Although the original design presented in 1923 produced in excess of 60,000 cars, it wasn't until a new design was presented in 1932 that the member railroads gave their approval. After extensively testing five prototypes in 1933, over 14,500 cars were produced for twenty three