HF-Trailer Mobile Power Station Trailer mobile power station is designed on the basis of national standards of GB/T2819 & GB1589 and specially used for the needs of frequent move or field power supply. The output range is from 15kw to 500kw. Trailer mobile power station is divided into single axial and biaxial four wheels structure according to output range. Spring damping and dual-brake devices ensure the safety while moving. Waterproof and soundproof canopy with maintenance doors and observation windows Be convenient to drag use with Battery, 4-hour fuel tank and muffler integration