This is an ORIGINAL Case 550G Crawler Tractor Parts Catalog Manual (Bur 8-7830, Nov. 1991 printing, covers ALL models). This manual has super illustrations and exploded views as well as having in-depth parts identification information for these hard working Case crawlers. Comes in a clean binder.  Cover shows light soiling and wear, but is solid.  This manual contains over 300 hundred clean pages.  Catalog is in VERY GOOD overall condition. FREE Priority Mail S & H.  Thanks for viewing.............Triple K