Eleven sections including code charts, schematics, wiring diagrams, and diagnostic reader information.

Print date October 1993, DDEC III Troubleshooting Guide, used, in 3 ring binder

These manuals are in good shape. Mechanics said they could not take the digital version and a laptop underneath the vehicle, so they used these books until the day they shut down.

I estimate about 500 pages

Original, copyright Detroit Diesel Corporation