39°58′56″N 76°9′40″W / 39.98222°N 76.16111°W / 39.98222; -76.16111

Pennsylvania Railroad 520
Pennsylvania Railroad No. 520 on display at the Railroad Museum of Pennsylvania in early 2015
Type and origin
Power typeSteam
BuilderBaldwin Locomotive Works
Build dateDecember 1916
Specifications
Configuration:
​
 • Whyte2-8-2
Gauge4 ft 8+1⁄2 in (1,435 mm)
Driver dia.62 in (1,575 mm)
Length82 ft 1⁄4 in (25.0 m)
Adhesive weight232,500 lb (105,500 kg)
Loco weight324,700 lb (147,300 kg)
Tender weight447,300 lb (202,900 kg)
Total weight772,000 lb (350,000 kg)
Tender type110-P-75
Fuel typeCoal
Fuel capacity18.5 tonnes (41,000 lb)
Water cap.11,980 US gallons (45,300 L)
Boiler pressure205 psi (1,413 kPa)
Heating surface:​
 • Firebox305 sq ft (28 m2)
Superheater:
​
 • Heating area943 sq ft (88 m2)
Performance figures
Tractive effort61,465 lbf (273 kN)
Factor of adh.3.78
Career
OperatorsPennsylvania Railroad
ClassL1s
RetiredOctober 20, 1957
Current ownerPennsylvania Historical and Museum Commission
DispositionOn static display
Official nameMikado Freight Locomotive No. 520
DesignatedDecember 17, 1979
Part ofPennsylvania Railroad Rolling Stock Thematic Resource
Reference no.79002269[1]

Pennsylvania Railroad 520 is a 2-8-2 "Mikado" type steam locomotive built in 1916 by the Baldwin Locomotive Works for the Pennsylvania Railroad for freight duties as a member of the L1s class. In 1942, the locomotive was involved in a devastating boiler explosion incident that required construction of a new, replacement boiler. After being retired in 1957, the locomotive was saved for preservation and placed on display at the Railroad Museum of Pennsylvania in Strasburg, Pennsylvania, and was listed on the National Register of Historic Places in 1979.

Background

The L1s is a class of 2-8-2 steam locomotives that was developed in 1914 to replace the H9s-class. The L1s used boilers identical to the ones eventually used for Pennsylvania Railroad's famed K4s-class steam locomotives.[2] Most L1s locomotives were moved to other duties when the I1s was introduced in 1924.

History

No. 520 was built by the Baldwin Locomotive Works in December 1916. While pulling freight from Altoona, Pennsylvania, to Conway, Pennsylvania, on November 14, 1942, during World War 2 the boiler on No. 520 exploded near Cresson.[3] The explosion killed both the engineer and the brakeman, injured the fireman and conductor, and shattered windows on a nearby house.[4] Two occupants of the house were also injured by scalding water and flying embers, which also set a rug on fire. The force of the blast derailed the tender and six tank cars.[4] No. 520 was eventually repaired and placed back into service.

On October 20, 1957, No. 520 pulled a "railfan special" out of Baltimore, Maryland, from Enola to Northumberland, Pennsylvania.[5] After a round trip from Northumberland to Enola, it was retired to the Pennsylvania Railroad's collection of historical locomotives. No. 520 was donated to the Pennsylvania Historical and Museum Commission in December 1979 by the Pennsylvania Railroad's successor Penn Central.[6] It was listed on the National Register of Historic Places on December 17, 1979.

See also

References

  1. ↑ "NPS Focus". National Register of Historic Places. National Park Service. Retrieved March 11, 2010.
  2. ↑ Stauffer 1962, p. 51.
  3. ↑ Hart & Zacher 1978, sec. 7, p. 8.
  4. 1 2 "Rail engineer dies in wreck". Pittsburgh Press. November 15, 1942. § 3, p. 9. Retrieved March 16, 2010.
  5. ↑ Stauffer 1962, p. 53.
  6. ↑ "Motive Power Roster" (PDF). Railroad Museum of Pennsylvania. Archived from the original (PDF) on July 3, 2013. Retrieved March 20, 2010.

Sources

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