Steam Locomotive No. 844 is the last steam locomotive built for Union Pacific Railroad. It was delivered in 1944. Uses 6,200 gallons of No. 5 Oil. Total weight of Engine and Tender 454 tons. Length with Engine and Tender 114' 2 5/8", Locomotive was Photographed during the State of Arizona's 100th year State hood celebration. Arizona became a State on February 12, 1912.