| Union Pacific class P-2 |
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Union Pacific P-2 No. 3200 at Moscow, Idaho on September 17, 1935. |
| Type and origin |
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| Power type | Steam |
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| Builder | Baldwin Locomotive Works |
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| Serial number | 25687-25689, 25717 |
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| Build date | 1905 |
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| Total produced | 4 |
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| Specifications |
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Configuration:
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| • Whyte | 4-6-2 |
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| • UIC | 2′C1′ |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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| Driver dia. | 77 in (1,956 mm) |
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| Length | 79 ft (24.08 m) |
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| Adhesive weight | 142,740 lb (64.7 tonnes) |
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| Loco weight | 241,180 lb (109.4 tonnes) |
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| Fuel type | Oil |
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| Fuel capacity | 2,940 US gal (11,100 L; 2,450 imp gal) |
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| Water cap. | 9,000 US gal (34,000 L; 7,500 imp gal) |
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| Boiler pressure | 200 lbf/in2 (1.38 MPa) |
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| Cylinder size | Originally: 17 in × 28 in (432 mm × 711 mm) and 28 in × 28 in (711 mm × 711 mm),
As rebuilt: 22 in × 28 in (559 mm × 711 mm) from 1923 |
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| Valve gear | Stephenson |
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| Career |
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| Operators | Oregon Railroad & Navigation Co.,
Oregon-Washington Railroad & Navigation Co.,
Union Pacific Railroad |
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| Class | UP: P-2 |
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| Numbers | OR&N: 194–197
UP: 3200–3203 |
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| Disposition | One preserved, remainder scrapped |
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The Union Pacific class P-2 was a class of 4-6-2 "Pacific" type steam locomotives that were built by the Baldwin Locomotive Works originally for the Oregon Railroad and Navigation Company (OR&N) in 1905.
