| Tasmanian Government Railways K class | 
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| Specifications | 
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 Configuration:
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 |  • Whyte | 0-4-0+0-4-0T | 
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 | Gauge | 2 ft (610 mm) | 
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 | Driver dia. | 2 ft 7+1⁄2 in (800 mm) | 
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 | Wheelbase | 4 ft (1,219 mm) (bogies) 26 ft 9 in (8,153 mm) (overall) | 
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 | Length | 32 ft 2 in (9,800 mm) | 
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 | Loco weight | 33.5 long tons (34.0 t; 37.5 short tons) | 
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 | Fuel type | Coal Oil | 
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 | Tender cap. | 840 imp gal (3,800 L; 1,010 US gal) | 
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 | Firebox: |  | 
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 |  • Grate area | 14.8 sq ft (1.37 m2) | 
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 | Boiler pressure | 195 psi (13.4 bar; 1,340 kPa) | 
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 | Heating surface: |  | 
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 |  • Firebox | 60 sq ft (5.6 m2) | 
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 |  • Tubes | 568 sq ft (52.8 m2) | 
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 |  • Total surface | 628 sq ft (58.3 m2) | 
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 | Cylinder size | 14.5 in × 20 in (368 mm × 508 mm) | 
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 | High-pressure cylinder | 11 in × 16 in (279 mm × 406 mm) | 
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 | Low-pressure cylinder | 17 in × 16 in (432 mm × 406 mm) | 
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 | Valve gear | Walschaerts | 
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The Tasmanian Government Railways K class was a class of 0-4-0+0-4-0 Garratt locomotives operated by the Tasmanian Government Railways from 1909. They were the first Garratt locomotives built.