Official BN diagrams of their roster of diesel locomotives. The index, pages 1 thru 62,provides data on engines 1 – 9977, including the original number, serial number, builder, model, AAR destination and year built. The diagram section, pages 63 thru 131, has detailed schematic diagram of each model with data on the dimensions, wheel diameter, model number, transition, M.U. control, speed recorder, air brakes, journals, draft gear, coupler type, gear ration, battery capacity, lubricating oil capacity, sand capacity. Updated about 1970. 131 pages.
Softcover with plastic spiral bound. Back cover missing. One only.