Description
This Caterpillar Scraper 637 – Tractor #637 Factory Service Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for Caterpillar Scraper c (64M1 & Up), Scraper 637 (91N1 & Up), Scraper 637 (92N1 & Up), Tractor #637 (65M1 & Up) and Tractor #637 (79P1 & Up) models.