... IP44,avoid water, mud, dusty getting into the motor, long life, especially suitable for carriage.No field winding ... The rotor is high intensity, which makes the motor get higher speed.No excitation control-box,simplified ... impact, repeat start, forward and backward running.The motor adopts wind cooling or water cooling, low temperature, ... URL: www.TAYGDL.com, Permanent Magnet Diesel generator 2.5kw~4kw