23 Jul Vintage 1978 CAT Caterpillar 631 B Tractor and 631 Scraper Parts Books / Manuals
Up for sale is a pair of Caterpillar Parts Books. The 631 B tractor was used to pull the 631 scraper in the field so it makes sense to keep these books together. These are separate Cat 631B Tractor and 631 Hydraulic Scraper Parts Books....