An NRE Genset unit assigned to yard duty at Norfolk Southern's Inman Yard.

This thing sounds like a vacuum cleaner.

NS Genset # 300.

Brand new Genset Unit 300 is running with unit 301 has a V42 helper set on the 995 test train. Units 100 and 101 are on the point as Runs are being made on the NS "test hill" in Roanoke.