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Canadian National class S 2-8-2

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Canadian National class S
a preserved S class locomotive
Type and origin
Reference:[1]
Power typeSteam
Build date1913–1936
Total produced466
Specifications
Configuration:
​
 • Whyte2-8-2
 • UIC1'D1'
Gauge4 ft 8+1⁄2 in (1,435 mm)
Leading dia.31+1⁄4 in (794 mm)
Driver dia.63 in (1,600 mm)
Trailing dia.43 in (1,092 mm)
Wheelbase35 ft 1 in (10.69 m)
Length78 ft 5 in (23.90 m) including tender
Height14 ft 9 in (4.50 m)
Boiler pressure180 lbf/in2 (13 kg/cm2)
CylindersTwo
Cylinder size27 in × 30 in (686 mm × 762 mm)
Performance figures
Tractive effort53,000 lbf (235.8 kN)
Career
Retired1961

Canadian National Railway (CN) Class S locomotives were of 2-8-2 wheel arrangement in the Whyte notation, or " 1'D1' " in UIC classification. These locomotives were designed for 16°  operating curvature. The first examples of this very successful class were built for the Grand Trunk Railway in 1913. Major purchases of the class continued through 1924. Sub-classes S-3 and S-4 employed higher pressure boilers with smaller diameter cylinders to achieve similar tractive effort with higher efficiency. The class remained in freight service until the final replacement of steam with diesel-electric locomotives. Twenty-one were renumbered between 4045 and 4097 in 1956.[1]

Sub-classes

Sub-class Builder Works numbers Dates CN numbers Notes[1]
S-1-a CLC 1353-1402 1916-1917 3200-3249 built as CGR numbers 2800-2849
S-1-b CLC 1459-1508 1917-1918 3250-3299 built as CGR numbers 2850-2899
S-1-c MLW 58347-58376 1917 3300-3329 built as CGR numbers 2900-2929
S-1-d CLC 1535-1594 1918-1919 3330-3389 built as CGR numbers 2930-2989
S-1-e CLC 1673-1687 1920-1921 3390-3404
S-1-f ALCO 52788-52812 1913 3405-3429 built as GT numbers 500-524
S-1-f BLW 40210-40211
40255-40258
40269-40274
40339-40342
40365-40370
40379-40381 		1913 3430-3454 built as GT numbers 525-549
S-1-f MLW 53920-53969 1913 3455-3504 built as GT numbers 550-599
S-1-g CLC 1449-1458 1917 3505-3514 built as GT numbers 485-494
S-1-g ALCO 59950-59954 1918 3515-3519 [2] built as GT numbers 480-484
S-1-h ALCO 58315-58319 1918 3520-3524 [2] built as GT numbers 495-499
S-1-j CN 53928&53954 1926 3198-3199 [3]
S-2-a MLW 64475-64509 1923 3525-3559
S-2-b CLC 1712-1721 1923 3560-3569
S-2-c MLW 65633-65662 1924 3570-3599
S-3-a ALCO 59563-59577
60300-60324 		1918 3700-3739 [4] USRA Light Mikados built as GT numbers 440-479
S-3-b ALCO 64510-64517 1923 3740-3747 [4][5]
S-3-c ALCO 65317-65326 1924 3748-3757 [4]
S-4-a CN 1623 1930 3800 [3][6]
S-4-b CLC 1914-1918 1936 3801-3805 [6]

Preservation

Number 3239 was preserved by the Canadian Railway Historical Association. Number 3254 by W.F. Barron of Ashland, Pennsylvania. #3254 is the only operational of the surviving S Class 2-8-2s, finding its home on the rails of Steamtown in Scranton, PA. Number 3377 by the Edaville Railroad, and number 3734 (renumbered 4070) by the National Museum of Steam Propulsion at Middleville, Michigan.[1]

Notes

  1. ^ a b c d Clegg, Anthony & Corley, Ray (1969). Canadian National Steam Power. Trains & Trolleys: Montreal. pp. 91–95.{{cite book}}: CS1 maint: multiple names: authors list (link)
  2. ^ a b Numbers 3515-3517 & 3520-3523 were converted to 0-8-2 switchers in 1936 and 1937
  3. ^ a b Built in Canadian National Railway Point Saint Charles shops
  4. ^ a b c Boiler pressure increased to 200 lbf/in2 (14 kg/cm2) and cylinder diameter reduced to 26 inches (66 cm).
  5. ^ Ordered as GT numbers 600-607, but delivered to CN
  6. ^ a b Boiler pressure increased to 265 lbf/in2 (18.6 kg/cm2) and cylinder diameter reduced to 24 inches (61 cm).
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