This is an ORIGINAL Caterpillar D9 Crawler Tractor Service Manual (December 1969 printing, serial numbers 66A3266 & UP). This manual has super illustrations as well as having in-depth service, repair, & specifications information for these classic CAT crawler tractors. The condition of the binder is good with soiling and wear. This manual contains about 400 pages that are in good condition as well (see pics).  Manual is well used, but it is complete and in GOOD overall condition. FREE S & H. Thanks for viewing.............Triple K