The Lionel 6-16051 O Chicago & Northwestern Combination Passenger Car #6630 L/N is a pre-built model replica of a Pullman passenger car in brown color. Manufactured in 1993, this 1:48 scale passenger car features a light function, painted details, and is part of the Three-Rail System. . Made of plastic and with vintage appeal, this ready-to-go passenger car from 1993 is a great addition to any O gauge model railroad collection featuring the Northwestern corporate roadname.