Selecting the Right Pump is critical in ensuring years of trouble free operation. Site specifics such as Suction Length, Suction Lift, Discharge Length, Discharge Head, Hazardous Zoning, Power Supply, Projected Usage and Flow Rates should all be taken into consideration. Trailers can be outfitted with Diaphragm, Peristaltic and Vacuum pumps. Both Electric and Gasoline versions are available. Overfill protection is standard on most trailer models.