| LNER Class K4 |
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| Specifications |
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Configuration:
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| • Whyte | 2-6-0 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Driver dia. | 5 ft 2 in (1.575 m) |
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| Loco weight | 68.4 long tons (69.5 t; 76.6 short tons) |
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| Tender weight | 44.2 long tons (44.9 t; 49.5 short tons) |
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| Fuel type | Coal |
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| Boiler pressure | 200 psi (1.38 MPa) |
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| Cylinders | 3 (two outside, one inside) |
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| Cylinder size | 18.5 in × 26 in (470 mm × 660 mm) |
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| Career |
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| Power class | 5P6F |
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| Numbers | - LNER (Pre 1946): 3441-3446
- LNER (Post 1946) 1993-1998
- BR: 61993-61998
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| Withdrawn | 1961 |
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| Disposition | One preserved, remainder scrapped |
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The London and North Eastern Railway (LNER) Class K4 is a class of 2-6-0 steam locomotives designed by Nigel Gresley for the steep grades of the West Highland Line.
