This document pertains to the Komatsu 108-2, a vehicle powered by the 6D108E engine family, which operates on diesel fuel and features direct injection. While specific details regarding generation, displacement, power output, cooling system, lubrication system, transmission type, gears, and service intervals are not specified, the engine is equipped with a turbocharger if applicable. The Komatsu 108-2 is engineered for robust performance and reliability, making it a capable machine for its intended applications. This Workshop Service Repair Manual provides comprehensive guidance for the Komatsu 108-2. It covers essential maintenance procedures, including disassembly, assembly, inspection, and adjustment of various components such as the engine body, fuel pump, fuel governor, and starter motor. The manual also includes troubleshooting assistance and details on special tools required for service. This English-language resource is designed to assist owners, mechanics, and technicians in effectively maintaining and repairing the vehicle, ensuring its optimal performance and longevity.