NS 363 (Chattanooga,TN-Macon,GA) is building its train on the West side Yard lead at Debutts Yard with what is going to be a common sight on Norfolk Southern, and that is the SD70ACU. Norfolk Southern has over the last two year acquired 53+ former Union Pacific SD9043MAC, and has rebuilt the with NS speck which includes EMD isolated SD70ACe cab with completely new wiring and electronics, ICE (Integrated Cab Electronics) displays replaced with FIRE (Functional Integrated Railroad Electronics) displays with new EM2000 to replace old EM2000, EPIC air brake replaced with CCB2, Siemens inverters replaced with mitsubishi inverters, ultra cab II installed with Conrail cab signals and LSL (some units already had this changeover), rear ditch lights installed and pneumatic bell replaced with electronic bell, ballasted up to 432,000 lbs, engine work done as needed with some being upgraded from Tier 0+ to Tier 1+ emissions; units remain 4300hp, and truck work done as-needed but original Siemens traction motors remain.