These 50' exterior-post boxcars were built from 1966 through 1969 by Despatch Shops Incorporated, a subsidiary of first the New York Central and then Penn Central. A number of cars also were built for the Pittsburgh & Lake Erie as well as the Lehigh Valley. Conrail inherited the New York Central, Penn Central and Lehigh Valley rosters in 1976. The cars remained active into the 1990s
The body and underframe are injection molded plastic, with etched brass end platforms. Intricate and accurate detail is present throughout. The model rides at the prototypically-correct height above the rails, on ASF 70-ton Ride Control roller-bearing trucks fitted with low-profile metal wheelsets, lowered brake gear and ladders, and Keystone cushioned underframe. Simulated cushioned-underframe coupler pockets are integrated into the underframe. The model is equipped with The model is equipped with Micro-Trains compatible knuckle couplers. The model represents the prototype in the non-roofwalk configuration.
Operation of this model over curved trackage of less than 10-inch radius is not recommended.