The KOBELCO SK Series Excavator, specifically the Mark III generation, represents a robust and reliable line of construction equipment designed for a wide range of earthmoving and material handling tasks. These excavators are engineered with a focus on durability and performance, featuring diesel engines and hydrostatic transmissions that provide efficient power delivery. The SK Series is known for its versatility, accommodating various attachments such as hydraulic thumbs, breakers, and grapples, making it suitable for diverse job sites. The inclusion of a ROPS/FOPS compliant cabin ensures operator safety, while the standard crawler undercarriage offers stability and mobility across challenging terrain. This Service Workshop Repair Manual provides comprehensive guidance for the maintenance and repair of the KOBELCO SK Series Excavator, Mark III. It covers essential information including detailed technical specifications, engine and hydraulic system data, and recommended service intervals for critical components like engine oil and hydraulic filters. The manual also details procedures for routine maintenance, troubleshooting common issues, and understanding the operational parameters of various models within the SK Series. Its purpose is to assist owners, operators, and technicians in ensuring the optimal performance, longevity, and safe operation of their KOBELCO excavators.