Power Pack is included in all loader packages unless otherwise specified. 20 horsepower, 3 phase electric motor, directly coupled to a Commercial Intertech P-20 pump. Can be located wherever is convenient, keeping in mind that it will require 26 amps @ 460 vac (52 amps @ 230 vac) electrical hookup, will be noisy, and should be sheltered from the elements either in a separate shed, or below the elevated scalehouse.