The single engine Cat 651 Wheel Tractor Scraper (WTS) reenters the market with upgrades to the powertrain, controls, hydraulics and structure, designed to deliver enhanced levels of productivity.
The original elevating graders (EGAs) were drawn by stock, and tractor-drawn elevating graders were used into the 1940s before being rendered obsolete by advances in belt loader and scraper technology ...
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