DAVEY'S FIRE FIGHTING PUMP ; 5.5 HP Honda Engine, Base Material Aluminum, Alumnum Casing, Max Operating PSI 130, Aluminum Impeller Material, No of Impellers 2, 3.6 Liter Fuel Tank Capacity, Self-Priming, Seal Type Mechanical, recoil Start,(2)1 INCH And (1)1 1/2 INCH BSPM Discharge, 78 GPM @ 40 PSI/ 60 GPM @ 60 PSI/46 GPM @ 80 PSI/ 33 GPM @ 95 PSI/ 0 GPM @ 120 PSI , Length 20.2 In, Height 15.3 In, Width 15.2 In, Standards Meets California Emission Codes Rugged, economical twin impeller self priming pump. These units are driven by a 5.5hp Honda GX160 engine.