Rio Grande GP30 No. 3008 By Angela Cotey | July 19, 2022 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates The Denver & Rio Grande Western was an early customer for EMD’s GP30, buying 28 of them during 1962-63. They were the first road units delivered in plain black with “Grande gold” striping on the ends and frame. Hillard N. Proctor photo