This comprehensive workshop manual provides detailed instructions for servicing and repairing a wide range of International Harvester Engines. It covers models like the 155, 246, 179, 268, 206, 310, 206, 358, Dt 239, 358, and 402. The manual delves into every aspect of engine maintenance, ensuring you have the necessary information to perform a wide range of tasks, from routine service to complex repairs. It also includes information for the 454, 474, 475, 574, and 674 engine models, as well as the 2400 and 2500 tractor units.