EMD GM 645E Blower-Type Engine Maintenance Manual, 4Th Edition,1977. Manual is complete, with the first page being torn free, and in excellent shape. There is also some other contents being old D&H Railway Company, Colonie N.Y. shop, 30 day wheel inspection forms and a service bulletin, for type 17M203 Rectifier Panel, from 1963 and a ALCO manual for a type FH20 Voltage Regulator. Message me before buying if you are in the N.E. or want any other info.