Steam Locomotives of the Union Pacific (UP)
Locomotives
Union Pacific class 3900 “Challenger”
United States
Union Pacific class 4000 “Big Boy”
United States
Union Pacific class 9000
United States
Union Pacific classes 1820 and 1830
United States
Union Pacific classes FEF-1 to FEF-3
United States
Union Pacific classes MC-2 to MC-6
United States
Union Pacific classes MT-1 and MT-2
United States
Union Pacific GE steam turbine-electrics
United States
Union Pacific No. 119
United States
Western Pacific class M-137
United States
Western Pacific class M-80
United States
Western Pacific class TP-29
United States
