Classic Machine pictures from our archives - this photo accompanied the Cletrac crawler tractor profile in our March 2022 magazine Caption: Not all attachments fitted to Cletrac tractors were bulldozer blades. This mild steel monstrosity is a Sargent Overloader, cable operated, and fitted to a Cletrac Model BGS tractor. The overloader concept came out of the early 1940s and several manufacturers offered them for a time. Most loaded from the front and dumped to the rear, but Sargent ones ac...