Search for used Rock crushers. Find DeSite, Powerscreen, Grizzly, and Gator for sale on Machinio. ... DeSite SLG 78VF vibratory screener is our midsize portable vibratory screener, designed to be fed with skidsteers, bucket tractors, midsize excavators and compact loaders. Our rugged SLG 78VF will produce 15 to 3... 6,600. Tennessee, USA. Click to Contact Seller. .