This 8g flashdrive consists of a collection of GMC documentation and tools of over 1,200 items. Here is a sampling: Operators, Maintenance, and Onan Manuals, Wiring Diagrams and Structural Drawings, Factory Service, Recall Bulletins, GMC Vintage RVing Magazines, GMCMI Newsletters, Newsletter Article Index, GMC Parts and Service Suppliers Listings plus so much more!