This Service Repair Shop Manual provides comprehensive information for the CASE 821E Tier 3 Wheel Loader. Engineered for demanding loading and material handling operations, this heavy equipment is designed for reliability and performance in challenging environments. Its robust construction and advanced Tier 3 engine technology ensure efficient operation and durability, making it a valuable asset for any construction or industrial application. This manual serves as an essential resource for maintaining and repairing your CASE 821E Wheel Loader. It covers critical areas including general information, engine systems, fuel and electrical systems, steering, power train, brakes, hydraulics, and mounted equipment. Detailed procedures, technical specifications, and troubleshooting guidance are provided to assist owners, mechanics, and technicians in performing routine maintenance, preventing premature failure, and ensuring the longevity and optimal performance of the equipment.