Here we have a complete original CAT Caterpillar 631E Wheel Tractor-Scraper Service Manual for sale. This Service Manual covers the following serial numbers. Labeled with Manual Form SENR4135 on the spine. All pages are included and readable. Includes Operation and Maintenance manuals.This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Heavy Equipment Manuals & Books". The seller is "oem_cat_manuals" and is located in this country: US. This item can be shipped worldwide.