Vaughan Chopper Pumps have handled the toughest industrial and municipal waste pumping applications for over 40 years - including sludge, scum, food waste, wood, rags, plastics, and other solids - by chopping and pumping without clogging. Vaughan is the original and still the most dependable manufacturer of chopper pumps worldwide, with 32 patents and almost 20,000 units sold. Vaughan now introduces a complete new line of higher efficiency "E" Series chopper pumps, as well as our new Prime Cutâ self-priming chopper pump, Rotamixâ tank mixing system and complete Packaged Lift Stations.