Peterbilt 2015 389 Cummins ISX12 Jake brake 10 speed manual Eaton Fuller Transmission 4000 gallons new steel Baffled tank, tool boxes on the fenders, 2 1/2 inch Fast flow valve, pump 800GPM 75PSI 2 front sprayers 2 side cannons and 2 rear sprayers air controlled from the interior of the cab 6 switch box, draft system 3 inch to suck water from pond 6 inch gravity dump on tank!