This Parts Catalog provides comprehensive information for the JCB 420 Wheel Loader, serial numbers 00257608-00523000. Designed for robust performance in demanding environments, the 420 Wheel Loader exemplifies JCB's commitment to engineering excellence and operational reliability. Its advanced design ensures efficient material handling and superior productivity, making it an indispensable asset for construction, agricultural, and industrial applications. This catalog is essential for identifying the correct original spare parts, ensuring your equipment maintains its peak performance and longevity. The purpose of this English-language Parts Catalog is to facilitate the accurate determination of original spare part numbers for ordering and purchasing. It covers key components and systems, including engine, fuel system, drive system, and wheel sections, offering detailed illustrations and part breakdowns. The catalog is enhanced with bookmarks and searchable text, allowing for efficient navigation and quick retrieval of information. Its improved quality ensures clarity and precision, enabling owners, mechanics, and technicians to maintain and repair the JCB 420 Wheel Loader effectively, ensuring minimal downtime and optimal operational efficiency.