1. The 579C Caterpillar Knuckleboom Loader is a versatile and reliable machine designed to handle heavy-duty lifting and loading tasks. This parts catalog manual provides detailed information on the various components and parts of the loader, making it an essential resource for maintenance and repairs. With its serial number (KB5), this manual ensures compatibility and accuracy in identifying the right parts for your specific loader model. Trust in the quality and precision of Caterpillar equipment with this comprehensive parts catalog manual.