This is an ORIGINAL Caterpillar D398, G398, D379, & G379 Industrial Engine Service Repair Manual (late 1968 printing, see cover for serial number ranges). This manual has super illustrations as well as having in-depth service, repair, and specification information for these tough CAT engines. The condition of the cover is fair at tbest with heavy wear and chips. The spline is tight and intact, but needs some TLC as well. This is complete and contains several hundred pages that do have some soiling, but are very legible. The overall condition of this manual is FAIR. Buyer agrees to pay $FREE for S & H. Thanks for viewing...........Triple K