This is a nice Original John Deere Operation and Tests Technical manual for the 2.9L 3029 diesel Engines, Saran built serial no. 500000 and up, Torreon built serial no. 001000 and up-- This engine was used on many different JD tractors and equipment -- There are around 150 pages of pictures and information on the diagnostics of your engine -- This is a complete book with no loose or missing pages and no rips and writing -- There is some light wear and soiling -- This is CTM-125 -- If you have any questions please ask -- Take a look at my other manuals and books I will combine shipping -- Thanks!