2005 Velcon OFT35VS-500 Insulating Oil Filtration System, 230V 1PH 60HZ Voltage Requirement, 500 Gal Stainless Steel Tank, Positive Displacement Pump, Digital Flow Meter, All Stainless Steel Tubing, Aluminum Full Width Toolbox, Pintle Hook, Electric Brakes, Ex-Utility Co. Unit.