Contractor On The CoverBigger than big – the new Cat 637K wheeled tractor scraperContractor MagazineJune 1, 2017June 19, 2017 by Contractor MagazineJune 1, 2017June 19, 2017 Goodman Contractors’ purchase of two new Cat 637K wheeled tractor scrapers from Gough Cat is a once in a generation addition to its fleet. Cameron...