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The EMD DDA40X is a 6,600 hp (4,943 kW) D-D locomotive, built by EMD from 1969 to 1971 exclusively for the Union Pacific Railroad. [1] It is the most powerful diesel–electric locomotive model ever built on a single frame, having two 16-645E3A diesel prime movers. [2]
Third company, Union Pacific Railroad (Mark I): 1897–1998; Fourth company, Union Pacific Railroad (Mark II): 1969–present (originally Southern Pacific Transportation Company until 1998; renamed Union Pacific during UP-SP merger) [1] Technical; Track gauge: 4 ft 8 + 1 ⁄ 2 in (1,435 mm) standard gauge: Length: 32,100 miles (51,700 km) Other ...
American Locomotive Company (ALCO) FEF-3 4-8-4 In storage as source of spare parts Union Pacific Railroad, Cheyenne, Wyoming: 844: December 1944 American Locomotive Company (ALCO) FEF-3 4-8-4 Operational Union Pacific Railroad, Cheyenne, Wyoming: 1242: T-57 4-6-0 Static display 1243: October 1890 T-57 4-6-0 Static display 2005: April 1911
The locomotive was finally retired from service on May 16, 1985, and internally gutted as a parts source for SD40 and SD40-2 diesels. [2] The unit was donated "as is" to the Utah State Railroad Museum in 1986. [4] As of 2024, Union Pacific 6916 remains on static display, being one of thirteen surviving Centennials. [5]
The Union Pacific Railroad's M-10003, M-10004, M-10005, and M-10006 were four identical streamlined 2-car power car diesel-electric train sets delivered in May, June, and July 1936 from Pullman-Standard, with prime movers from the Winton Engine Corporation of General Motors and General Electric generators, control equipment and traction motors.
Most powerful (continuous) single-frame locomotive in Europe. Union Pacific 9000 class: Union Pacific: 9000-9087 American Locomotive Company: 1926-1930 Steam 4-12-2: 355 tonnes (391 short tons) 97,664 pounds-force (434 kN) 4,750 horsepower (3,542 kW) — Union Pacific Coal GTELs: Union Pacific: 80 (later 8080) Union Pacific Omaha Shops 1961
The Union Pacific heritage fleet includes commemorative and historic equipment owned by the Union Pacific Railroad.The fleet currently consists of two historic steam locomotives, three historic diesel locomotives, seventeen modern diesel locomotives in historic or commemorative paint schemes and nearly four dozen passenger cars used on office car specials and excursion trains.
Union Pacific 6936 is an EMD DDA40X locomotive built for the Union Pacific Railroad . Previously a part of UP's heritage fleet , 6936 was for several decades the last remaining operational "Centennial" type, and thus the largest operational diesel-electric locomotive in the world.