1986 Dodge Ramcharger D & W 100 - 350 Rear Wheel Drive Truck
that's what it says on the cover and on the inside, 'All service and rebuilding instructions contained here-in are applicable to, and for the convenience of the automotive trade only.'
So yes, if you took your truck in for a service, this is the book that the mechanic will use for guidance and reference The cover is showing signs of use but is in very good shape.