Chesapeake & Ohio Power in Color Volume 3: Volume 3: Second-Generation Power from Morning Sun Books final look at the C&O′s motive power fleet. From the four Alco C630s to the 25 oddball GP15Ts, C&O owned 16 different second-gen models. Adding to the interest of this roster was a group of 30 GE U23Bs that rode on EMD Blomberg trucks. Other U-Boat models included the U25B, U30B, and later B30-7s. EMD products include GP30, GP35, GP38, GP40, GP39, GP40-2, as well as SD35, SD40 and SD50s. Chesapeake & Ohio Power in Color is one of many titles from Morning Sun Books loaded with information about the railroads which became the Chessie System. Hardcover, 128 pages.