This service repair workshop manual covers the Komatsu SK815-5N and SK815-5NA Skid Steer Loaders. Engineered for reliability and performance, these machines are designed to handle demanding tasks across various applications. This manual provides comprehensive information to ensure optimal operation and longevity of your equipment. This manual serves as an essential resource for owners, mechanics, and technicians. It details critical maintenance procedures, troubleshooting guides, technical specifications, and essential safety guidelines. The content includes an overview of the structure and function of the SK815-5N and SK815-5NA, maintenance standards, standard value tables, testing and adjusting procedures, as well as disassembly and assembly instructions, all supported by diagrams and schematics.