Caterpillar 641 and 651 Tractor Scrapers Shop Service Manual. This is a reproduction of an original manual and contains all the information you need to take apart, repair and put back together your Caterpillar.
This manual covers these serial numbers for models 641 64F1and Up, 641 Scraper 80F1 and Up, 651 Tractor 33G1 and up and 651 Scaper 23G1 and up.;
