The Komatsu SK1020-5 and SK1020-5 Turbo Skid Steer Loader are robust machines engineered for demanding operational environments. These models, equipped with turbocharged diesel engines and hydrostatic four-wheel drive, are designed for reliability and efficiency across a wide range of applications. Their construction emphasizes durability and performance, making them valuable assets for construction, landscaping, and material handling tasks. This Service Repair Manual provides comprehensive guidance for maintaining and repairing the Komatsu SK1020-5 and SK1020-5 Turbo Skid Steer Loader. It covers essential areas including general maintenance, engine and transmission service, electrical systems, chassis, and specialized components like the fuel injection and cooling systems. Detailed procedures, troubleshooting information, technical specifications, and safety guidelines are included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the equipment.