This manual covers the Case 721E Tier 3 Wheel Loader, a robust piece of equipment designed for demanding operational environments. Engineered for reliability and performance, this model represents a significant advancement in wheel loader technology, offering efficient power delivery and durable construction. Its advanced features and thoughtful design ensure it meets the rigorous requirements of various industrial and construction applications, making it a dependable asset for any operation. The purpose of this comprehensive Factory Service Workshop Manual is to provide detailed technical information for the maintenance and repair of the Case 721E Tier 3 Wheel Loader. It includes essential procedures for all major systems, such as engine, powertrain, hydraulics, brakes, and electrical components, along with troubleshooting guides, specifications, and safety instructions. This manual is an indispensable resource for owners, technicians, and mechanics, enabling them to keep the equipment in optimal working condition through accurate and efficient service.