| Cotton Belt Class L-1 |
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| Type and origin |
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| Power type | Steam |
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| Builder | Baldwin Locomotive Works (10)
SSW's Pine Bluff Shops (10) |
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| Build date | 1930, 1937, 1942–1943 |
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| Total produced | 20 |
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| Specifications |
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Configuration:
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| • Whyte | 4-8-4 |
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| • UIC | 2′D2′ h2 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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| Driver dia. | 70 in (1,778 mm) |
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| Length | - Total: 99 ft 8+1⁄2 in (30.39 m)
- Tender: 38 ft 9 in (11.81 m)
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| Width | 10 ft 5+5⁄8 in (3.191 m) |
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| Height | 15 ft 10 in (4.826 m) |
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| Axle load | 62,000 lb (28.1 tonnes) |
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| Adhesive weight | 248,000 lb (112.5 tonnes) |
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| Loco weight | 438,500 lb (198.9 tonnes) |
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| Tender weight | 312,000 lb (141.5 tonnes) |
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| Total weight | 750,500 lb (340.4 tonnes) |
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| Fuel type | Oil |
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| Fuel capacity | 5,000 US gal (19,000 L; 4,200 imp gal) |
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| Water cap. | 15,000 US gal (57,000 L; 12,000 imp gal) |
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| Firebox: | |
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| • Grate area | 88.3 sq ft (8.20 m2) |
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| Boiler pressure | 250 lbf/in2 (1.72 MPa) |
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| Heating surface: | |
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| • Firebox | 469 sq ft (43.6 m2) |
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Superheater:
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| • Heating area | 1,962 sq ft (182.3 m2) |
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| Cylinders | Two |
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| Cylinder size | 26 in × 30 in (660 mm × 762 mm) |
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| Valve gear | Walschaerts |
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| Valve type | Piston valves |
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The Cotton Belt Class L-1 was a class of 20 4-8-4 "Northern" type steam locomotives that were built by the Baldwin Locomotive Works and the St. Louis Southwestern Railway (Cotton Belt) at their own Pine Bluff, Arkansas Shops.