Southern Pacific 5239

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Southern Pacific 5239
Type and origin References: Power type Diesel-electric Builder Baldwin-Lima-Hamilton Corporation Serial number 74916 Model AS-616 Build date September 1950
Specifications Configuration: ​  • AAR C-C  • UIC Co′Co′ Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 42 in (1,067 mm) Minimum curve 30° (250.79 ft or 76.44 m radius) Wheelbase 32 ft 3 in (9.83 m) between bolsters Length 58’ Width 10’ Height 14’ Loco weight 327,800 lb (148,700 kilograms) Fuel capacity 900 US gallons (3,400 l; 750 imp gal) Prime mover 608A RPM range 625 (max) Engine type Four-stroke engine Aspiration Turbocharger Elliott Company H704 (125 hp) Generator Westinghouse YG42B Traction motors Westinghouse 370DL (6) Cylinders 8
Performance figures Power output 1,625 hp (1,212 kW) (marketed as 1,600 hp) Tractive effort Starting: 97,500 lbf (434 kN) Continuous: 78,750 lbf (350.3 kN) @ 6 mph (9.7 km/h)
Career Operators Southern Pacific Transportation Company Oregon and Northwestern Railroad Pacific Northwest Chapter of the National Railway Historical Society National Transportation Museum, St. Louis, Missouri Scrapped November 2009 Disposition Scrapped

Southern Pacific 5239 was a Baldwin AS-616 diesel locomotive built by the Baldwin-Lima-Hamilton Corporation in September of 1950 for the Southern Pacific Transportation Company.

History

Southern Pacific 5239 was constructed in September of 1950 and arrived on the Southern Pacific Transportation Company that same year. It was one of 51 Baldwin AS-616 locomotives ordered by the Southern Pacific Transportation Company and was the 12th of the 51 locomotives ordered by Southern Pacific, numbered 5228–5278.

Southern Pacific 5239 was retired from service on the Southern Pacific and sold to the Oregon and Northwestern Railroad in October of 1964, where it was used as #2.

The AS-616 was cannibalized for spare parts through the final years of operation, until being stored in 1984. It was eventually sold to the Pacific Northwest Chapter of the National Railway Historical Society in October of 1990.

5239 was then given to the National Transportation Museum, St. Louis, until it was stored in Tigard, Oregon and subsequently scrapped in November of 2009.

Further reading

• Ingles, David (1964). Trains - Volumes 24-25. Kalmbach Publishing Company. Search this book on
• McDonald, Charles (1986). Diesel Locomotive Rosters - U.S., Canada, Mexico. Kalmbach Books. ISBN 0890240841. Search this book on

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