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Midland Railway 483 Class: Wikis

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From Wikipedia, the free encyclopedia

The Midland Railway 483 Class 4-4-0 was a class of steam locomotive designed for passenger work. This design formed the basis for the later LMS Class 2P 4-4-0. The London Midland and Scottish Railway seems to have inherited 3 batches of these locomotives and some of them passed into British Railways (BR) ownership in 1948.

Contents

Details

  • BR numbers 40332-40397 (17 locomotives) originally built 1882-1891, some rebuilt from 1910 onwards
  • BR numbers 40400-40562 (143 locomotives) originally built 1891-1901, all rebuilt between 1912 and 1923
  • BR numbers 40322-40326 (5 locomotives) built for Somerset and Dorset Joint Railway 1914-1921 and taken into LMS stock in 1930

Note: two of the above number series contain gaps so the totals do not tally.

Dimensions

Unrebuilt locos

  • LMS/BR Power classification, 2P
  • Locomotive weight, 53 tons 7 cwt
    • Tender weight, Not known
  • Boiler pressure, 160 psi
  • Superheater, No
  • Cylinders, 18"x26"
  • Driving wheel diameter, 6' 6½"
  • Tractive effort, 15,960 lb
  • Valve gear, Stephenson (slide valves)

Rebuilt locos

  • LMS/BR Power classification, 2P
  • Locomotive weight, 53 tons 7 cwt
    • Tender weight, Not known
  • Boiler pressure, 160 psi
  • Superheater, Yes
  • Cylinders, 20½"x26"
  • Driving wheel diameter, 7' 0½"
  • Tractive effort, 17,585 lb
  • Valve gear, Stephenson (piston valves)

For terminology, see Steam locomotive components

External links


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