• EMD Tier 4 locomotives delayed until 2017

  • Discussion of Electro-Motive locomotive products and technology, past and present. Official web site can be found here: http://www.emdiesels.com/.
Discussion of Electro-Motive locomotive products and technology, past and present. Official web site can be found here: http://www.emdiesels.com/.

Moderator: GOLDEN-ARM

  by NorthWest
 
I caught it both ways at Salem as well, and it is very quiet, especially at idle. My theory is that the particulate filter acts as a muffler.
  by spRocket
 
Fan Railer wrote:UP 3012 rescuing Amtrak lol. You can barely even hear the new upgraded H-engine:
I guess I shouldn't be surprised, since it's a four-stroke design, but it sure sounds to me like a GE dressed in EMD clothing.