E6 with L&N’s Humming Bird By Angela Cotey | September 22, 2023 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A single E6 diesel leads Louisville & Nashville’s Cincinnati–New Orleans Humming Bird through Turner, Ky., in 1948. A rebuilt heavyweight sleeper trails the original six lightweight cars of the streamliner. L&N photo