This service manual provides comprehensive maintenance and repair information for NEW HOLLAND F4GE0404B, F4GE0454C, F4GE0484G, FOR CNH ENGINES. These engines are engineered for reliability and performance, suitable for a wide range of demanding applications. This manual is designed to be a complete resource, covering all aspects necessary for the upkeep and servicing of these robust power units, ensuring their continued efficient operation. The purpose of this manual is to equip owners, mechanics, and technicians with the knowledge required to perform maintenance, troubleshooting, and repairs. It includes detailed procedures, technical specifications, and safety guidelines, presented with clear text and high-quality diagrams. By following the step-by-step instructions and utilizing the in-depth illustrations, users can confidently and efficiently service their engines, minimizing downtime and maximizing longevity.