Classic Machines: The Caterpillar 641 single engine scraper
Up until 1962 Caterpillar had not really ventured into the world of large scrapers other than in its line of cable operated towed models. However,
Tag : Allis-Chalmers 460
Classic Machines: The Caterpillar 651 scraper
With the arrival here recently of two secondhand Cat 651Bs, the time is probably right to have a closer look at the largest two-axle, single-engined