The Komatsu 3D82AE, 3D84E, 3D88E, 4D88E, 4D98E, 4D106, S4D84E, S4D98E, and S4D106 Shop Manual is a comprehensive guide designed for the maintenance, repair, and troubleshooting of these Komatsu diesel engine models. The manual covers various aspects including engine disassembly and assembly, inspection procedures, and component specifications. It provides detailed diagrams, step-by-step instructions, and safety guidelines to ensure accurate and efficient repairs. This manual is an essential resource for technicians and mechanics working on these Komatsu engines, helping to maintain their performance and reliability.