| Norfolk & Western J Class (1903) | 
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| | Specifications | 
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 | Configuration: 
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 | • Whyte | 4-4-2 | 
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 | Gauge | 4 ft 8+1⁄2 in (1,435 mm) | 
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 | Driver dia. | 79 in (2,007 mm) | 
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 | Length | 109 ft 2 in (33.27 m) | 
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 | Height | 16 ft 2 in (4.93 m) | 
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 | Axle load | 72,000 lb (32.7 tonnes) for drivers | 
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 | Adhesive weight | 80,930 lb (36.7 tonnes) | 
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 | Loco weight | 169,090 lb (76.7 tonnes) | 
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 | Tender weight | 100,000 lb (45.4 tonnes) | 
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 | Total weight | 269,090 lb (122.1 tonnes) | 
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 | Fuel type | Coal | 
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 | Fuel capacity | 10,000 lb (4.5 tonnes) | 
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 | Water cap. | 6,000 US gal (23,000 L; 5,000 imp gal) | 
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 | Firebox: |  | 
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 | • Grate area | 45.1 sq ft (4.19 m2) | 
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 | Boiler pressure | 200 lbf/in2 (1.38 MPa) | 
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 | Heating surface: |  | 
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 | • Firebox | 165 sq ft (15.3 m2) | 
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 | • Tubes and flues | 4,693 sq ft (436.0 m2) | 
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 | Superheater: 
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 | • Heating area | 2,177 sq ft (202.2 m2) | 
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 | Cylinders | Two | 
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 | Cylinder size | 19 in × 28 in (483 mm × 711 mm) | 
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 | Valve gear | Stephenson | 
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 | Valve type | Piston valves | 
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Norfolk and Western Class J of 1903 or the Second J Class was a class of 4-4-2 steam locomotives purchased by Norfolk and Western Railway. They were before the more well known J class of 1941. The retirement of the first J classes in 1900 left the designation available for reuse for these engines.  There were 7 of these Class Js made, and they were retired between 1931 and 1935, once again leaving the "J" class designation available to be reused in 1941.[1]
References