This CAT Caterpillar D6D 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 equipment's parts and how to use them for optimal performance. The manual is issue 4/85 and is specifically designed for CAT equipment.

The book is a must-have for anyone who wants to ensure their CAT equipment is in proper working order. It covers all aspects of the equipment, from basic maintenance to more complex repairs. With this manual, you will have all the information you need to keep your equipment running smoothly and efficiently.