The International Truck Service Manual 1978-1980 CTS-2311 Volume 1 2 3 is a valuable resource for owners of International trucks from the late 1970s to early 1980s. This OEM original manual set is published in the United States and provides detailed information on servicing and repairing these specific truck models. With three volumes included, this comprehensive manual set is a must-have for any International truck owner looking to maintain and repair their vehicle with confidence.