OMAHA, Neb.--(BUSINESS WIRE)--Hirect, a premier global manufacturer of heavy-duty electrical and power electronic components for rolling stock, today announced the successful integration and first loaded test run of its 6,000 HP electric locomotive propulsion system. The entirely internally designed and manufactured system includes the traction inverter/converter controller and software, and interfaces with cab controls and displays. The new propulsion system, mounted in a WAG-9 locomotive, suc.