<page_title> 4-8-4 </page_title> <section_title> North American production list </section_title> <table> <cell> Union Pacific Railroad (45 “Northerns” or "Four-Eight-Fours"/“FEFs”) <col_header> Railroad (Quantity, Nickname) </col_header> </cell> <cell> 835–844 <col_header> Class </col_header> </cell> <cell> 1944 <col_header> Builder </col_header> </cell> <cell> 844 Is the oldest operating steam engine on a Class One Railroad and is used as an excursion locomotive. <col_header> Build year </col_header> </cell> </table>
Union Pacific 844 is the oldest steam locomotive built for Union Pacific Railroad in 1944.