This is an ORIGINAL Caterpillar 3612 & 3616 Diesel Engine Service Repair Manual (late 1980's printing, serial numbers beginning with 1PC & 9RC). This manual has super illustrations as well as having in-depth service, repair, tear-down, rebuild, and specification information for these tough CAT engines. The condition of the factory binder is very good. This is complete and contains several hundred pages that are in very nice shape. The overall condition of this manual is NEAR MINT. Buyer agrees to pay $FREE for S & H. Thanks for viewing...........Triple K