This workshop service repair manual provides comprehensive information for the Mitsubishi FD60, FD70, and FD70E Forklift Trucks equipped with the S6S-T Diesel Engine. Engineered for reliability and performance, these forklifts are designed to meet the demanding needs of various industrial applications. This manual details the robust construction and advanced features of the S6S-T engine, ensuring optimal operation and longevity for your equipment. The purpose of this manual is to serve as an indispensable guide for maintaining and repairing your Mitsubishi forklift. It covers essential areas including engine introduction, general specifications, service data, specialized tools, and detailed procedures for overhaul, disassembly, inspection, and reassembly of the basic engine. Furthermore, it addresses the fuel, lubrication, cooling, inlet and exhaust, and electrical systems, along with adjustment and operational guidelines, empowering owners and technicians with the knowledge to perform effective service.