Used on PHP60. 3 cylinder cast iron pump designed to operate at 175PSI. This unit features a 18 and 1/8? pulley and pump will only run on 15HP 3 phase electric motor and is not designed to be used as a petrol model. For further information on 2 stage refer to the 2 stage information sheet on page 12. Dimensions: L69 x W47 x H56cm Weight 125kg.