Pennsylvania Railroad Diesels Volume 8: Early EMD Road Switchers
By Paul K. Withers
Pennsylvania Railroad Diesels Volume 8: Early EMD
- The eighth in our series of books about diesels of the Pennsylvania Railroad covers EMD-built GP7, GP9, SD7, and SD9 road switchers. The GP9 was ordered in sizable numbers with its reliability sealing the fate of steam by the mid-1950s.
104 pages, 8.5" x 11", vertical format, nearly 300 black-and-white photos