Tronair’s 28.5V ground power unit incorporates an award-winning Doosan Tier 4 final with electronic engine controls to provide excellent performance. A large Digital Display and Diagnostics module (DDD) allows a user to monitor engine parameters in addition to fault codes. A powerful 38kw six phase alternator, rectifier and ripple filter combine for ultra-low DC output ripple. A cable head voltage sensing and output voltage drop compensation system ensures full power is provided to the aircraft. A large 35-gallon fuel tank allows for 26 or more hours of run time at the rated load.