Class of their own By Angela Cotey | October 4, 2024 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates In early 1954, Union Pacific 4-12-2 No. 9028 brings a train into North Platte, Neb., from the east. Only UP had 4-12-2s, 88 built during 1926–30, which led to the wheel arrangement being called the Union Pacific type. Art Stensvad photo