The Case 921F Tier 4 is a robust wheel loader designed for demanding operational environments. This F Series model features a powerful diesel engine, likely an FPT Industrial unit, delivering approximately 221 horsepower and displacing 6.7 liters. Its engineering prioritizes reliability and performance, with a Powershift transmission offering 5 forward and 3 reverse gears, and a substantial operating weight of around 22,000 kg. Notable features include a ROPS/FOPS certified cab and dimensions suitable for heavy-duty material handling tasks. This Service Repair Workshop Manual provides comprehensive guidance for the Case 921F Tier 4. It covers essential maintenance procedures, including engine oil and hydraulic filter replacement schedules, along with detailed specifications for fluids and lubricants. The manual also delves into technical aspects of the hydraulic system, transmission, and engine, offering the necessary information for effective troubleshooting and repair. Its purpose is to empower owners, mechanics, and technicians with the knowledge required to maintain the optimal performance and longevity of the vehicle.