1. The SR4 Caterpillar Generator Parts Catalog Manual (Serial Number 6PK) is a comprehensive guide that provides detailed information on all the parts needed for maintenance and repairs of the SR4 generator. This manual is essential for anyone looking to ensure the proper functioning and longevity of their generator. With clear diagrams and part numbers, this catalog makes it easy to identify and order the correct parts for your specific generator model. Whether you are a professional technician or a DIY enthusiast, this manual is a valuable resource for keeping your SR4 generator in top condition.