Delaware-Lackawanna diesel locomotive roster By | September 15, 2015 Get our weekly newsletter delivered to your inbox Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates The Delaware-Lackawanna maintains a fleet of Alco-built diesel locomotives at its Scranton, Pa., shops. Check out this free diesel locomotive roster, and learn more about the railroad and the men who keep these relics rolling in Locomotive 2015!