superior to mounted power packs,the remote submerged power pack remains free of damage caused by jolting during transit to and from disposal site and problems caused by severs dust conditions found at the landfills.there are no electrical connections to "make" and "break" - two simple - to use hydraulic quick disconnects couple power unit to packing head.the weather cover for the remote power pack is standard,as is the ul and csa rated power box assembly.