39°58′56″N 76°9′40″W / 39.98222°N 76.16111°W / 39.98222; -76.16111
| Pennsylvania Railroad 520 |
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| Specifications |
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Configuration:
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| • Whyte | 2-8-2 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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| Driver dia. | 62 in (1,575 mm) |
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| Length | 82 ft 1⁄4 in (25.0 m) |
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| Adhesive weight | 232,500 lb (105,500 kg) |
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| Loco weight | 324,700 lb (147,300 kg) |
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| Tender weight | 447,300 lb (202,900 kg) |
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| Total weight | 772,000 lb (350,000 kg) |
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| Tender type | 110-P-75 |
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| Fuel type | Coal |
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| Fuel capacity | 18.5 tonnes (41,000 lb) |
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| Water cap. | 11,980 US gallons (45,300 L) |
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| Boiler pressure | 205 psi (1,413 kPa) |
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| Heating surface: | |
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| • Firebox | 305 sq ft (28 m2) |
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Superheater:
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| • Heating area | 943 sq ft (88 m2) |
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Pennsylvania Railroad 520 is a preserved L1s class 2-8-2 "Mikado" type steam locomotive built in December 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 on October 20, 1957 by pulling a railfan special, 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 on December 17, 1979.
