This Caterpillar D5 Parts Manual Book is a valuable resource for owners of compatible equipment types such as bulldozers, tractors, and dozers. It provides detailed information on the model year 6R871-Up Service, making it an essential tool for those in the excavation, grading, and site prep subject areas. The manual is specifically designed for Caterpillar equipment and is made in the United States. It covers a range of topics related to the tractor, including but not limited to its brand, model, and part type.