Lionel Chesapeake & Ohio 15 Aluminum 4-Car Passenger Set O New 6-19145,46,47,50. New in original boxs. The Lionel Chesapeake & Ohio 15 Aluminum 4-Car Passenger Set O New 6-19145,46,47,50 is a ready-to-go model replica of Pullman passenger cars from 1996. This set includes four cars in 1:48 scale with a vintage theme of transportation. The cars are equipped with light functions and operate on a Three-Rail System for O gauge model railroads. Manufactured by Lionel, these passenger cars are perfect for model railroad enthusiasts aged 17 years and up who enjoy collecting and operating historical railway pieces.