This manual covers the Case 821F & 921F Wheel Loaders, designed for demanding operational environments. These machines represent robust engineering, built for reliability and efficient performance across a range of heavy-duty applications. Their construction emphasizes durability and operator productivity, making them a valuable asset for construction, material handling, and other industrial tasks. The Tier 4 compliance ensures adherence to modern emissions standards while maintaining powerful operational capabilities. This comprehensive Factory Owner's, Operator's, and Instruction Manual provides essential information for the safe and effective use, maintenance, and repair of your Case wheel loader. It details operating procedures, safety guidelines, and maintenance schedules, including recommended service intervals and fluid capacities. Technical specifications, instrument panel functions, and available accessories are also covered, supported by clear illustrations and diagrams to assist operators and technicians. This English language document is designed to help you maximize the longevity and performance of your equipment.