ALCO PA-1 Locomotive Specifications Pages PDF Pages on DVD, 18 Pages. Specifications book used to promote features of the ALCO PA-1 Model diesel locomotive to railroads for future purchases. Interesting Unique item! I have hundreds of railroad items not listed yet. If you don't see what you are looking for listed, such as, Track Charts-Equipment Diagrams-Standard Plans-Timetables etc. Please contact me and I will check to see if I have what you want. I will then list the item(s) on eBay for you and/or start a want list for you.