This workshop and service manual covers the Komatsu SK15-5N and SK815-5NA Skid Steer Loaders, part of the 5 Series generation. These robust machines are engineered for demanding work environments, featuring a reliable diesel engine, hydrostatic transmission, and four-wheel drive for exceptional performance and durability. Their compact design and powerful capabilities make them ideal for a wide range of construction, landscaping, and material handling applications. The Komatsu skid steer loaders are built with a focus on operator comfort and operational efficiency, ensuring productivity across various job sites. This comprehensive English-language manual provides detailed information essential for the maintenance and repair of your Komatsu skid steer loader. It includes crucial sections on daily maintenance checks, engine oil and hydraulic fluid specifications, fluid capacities, and filter replacement schedules. Furthermore, the manual offers in-depth guidance on troubleshooting, technical specifications, and safety procedures. By utilizing the information contained within this workshop manual, owners, mechanics, and technicians can effectively maintain the optimal performance and longevity of their SK15-5N and SK815-5NA machines.