THERMAFLOW 934 SS WET KIT FOR SEMI TRUCK. THIS UNIT WILL DRIVE MOST 3 AND 4 INCH PUMPS AND COMPRESSORS. MAX FLOW RATE OF 30 GPM. MAX PRESSURE OF 5,000 PSI. 4 GALLON RESERVOIR AND DIRECTIONAL VALVE. ALSO HAVE THE HYDRAULIC HOSES AND PTO FOR AN 18 SPEED TRANSMISSION. CAME OFF A PETERBILT WITH A 272 INCH WHEELBASE. THANKS........................620-786-1416