This is an ORIGINAL 1958-1975 "Wheel Horse Mechanical Transmission" Service Repair manual. This manual contains super illustrations as well as having in-depth service, repair, and specification information for these classic lawn tractor/mower transmissions (please see pics).  The cover is in ok shape with soiling/wear(please see pics).  The spline is tight and intact with nibbles at the base.  Manual is complete and contains 50+ pages.  This manual is in GOOD overall condition. FREE S & H. Thanks for viewing.............Triple K