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Queensland Railways steam locomotive classification

January 22, 2023

Between 1864 and 1958, Queensland Railways ordered 47 types of locomotives for purposes such as freight, passenger and mail train use.

Classification

Until 1889, each of the isolated sections of the Queensland Railways adopted its own locomotive numbering system. With the impending joining of most of the sections, in 1890 a new centralised classification system was adopted to eliminate duplications. Locomotives on the Southern & Western Railway retained their existing numbers, with locomotives on other networks renumbered where there was a duplication.[1][2]

The classification system consisted of a letter, indicating the number of driving axles, followed by a number, indicating the cylinder diameter in inches and factions of inches. This was confusing for two reasons:

  • it differed from the international system
  • it could lead to several classes having the same classification number

Where classification numbers were duplicated, the classes were usually distinguished by the name of the builder, e.g. A10 Baldwin, A10 Fairlie, A10 Neilson.[1][2]

In the case of tank locomotives, the number of wheels was added as prefix, e.g. the 6D16 class had six wheels. When all four wheel tank locomotives, the prefix was dropped, thus the 6D16 class became the D17 class.[1][2]

Number of driving axles International classification QR classification
1 A -
2 B A
3 C B
4 D C
3 (Tank locomotive) D

Improved versions of a similar class were given a second identical letter. For example, the improved version of the D17 was the DD17.

Classes

Classification
Image Whyte notation Designation Cylinder diameter (inches) Driving axles Type Years built
2-4-2T 4D9 class 9 4 Tank (Mixed use)[citation needed] 1881
  2-4-2T 4D10 class 10 4 Tank (Passenger)[3] 1884-1885
0-4-2T 4D11½ Abt class 11 2 Tank (Rack Freight)[4] 1898
0-6-0T 6D8½ class 8 1/2 3 Tank (Passenger)[citation needed] 1900-1923
0-6-0ST 6D11½ Crane class 11 1/2 3 Saddle Tank (Inspection)[5] 1902
0-6-0T 6D11½ Motor class 11 1/2 3 Tank (Freight)[6] 1882
0-6-2T 6D13 – formerly F-class 13 3 Tank (Freight)[7] 1882
0-6-0T 6D13½ Abt class 13 1/2 3 Tank (Rack Freight)[8] 1900-1915
  0-6-0T 6D13½ later B13½ class 13 1/2 3 Tank (Shunter)[9] 1904-1905
0-4-4-0 8D11 class 11 4 Tank[citation needed] 1874
0-4-4-0 8D15 class 15 4 Tank (Heavy Freight)[10] 1884
  4-6-0 PB15 class 15 3 Passenger, Shunter[11] 1899-1926
4-6-2T (originally), 4-6-4T (after rebuild) 6D16 class 16 3 Tank (suburban passenger)[12] 1901-1902
4-6-4T 6D17 later D17 class 17 3 Tank (suburban passenger)[12] 1924-1942
  2-4-0 A10 Avonside 10 2 Freight[citation needed] 1864
4-4-0 A10 Baldwin – Originally American Passenger class 10 2 Passenger[13] 1879
  2-4-0 A10 Fairlie – Originally A class 10 2 Freight[14] 1877
  2-4-0 A10 Ipswich 10 2 Freight[citation needed] 1877
  0-4-2 A10 Neilson class – Originally B class 10 2 Mixed 1865-1866
2-4-0 A11 class – Originally Large A class 11 2 Mixed[15] 1878
4-4-0 A12 class – Originally American Passenger class 12 2 Passenger[16] 1882-1891
4-4-0 A12 (small) class – American Passenger class 12 2 Passenger 1878
4-4-0 A14 class 14 2 Passenger[17] 1894-1895
  2-8-2 AC16 class 16 2 Mixed use[18] 1943
4-8-2+2-8-4 2′D1′+1′D2′ Australian Standard Garratt 14.5 4 Heavy freight[19] 1943-1945
0-6-2 B9½ class 9 3 Freight[citation needed] 1924-1927
2-6-0 B11 class – Originally C class 11 3 Freight[20] 1867
2-6-0 B11 Baldwin class 11 3 Freight, then shunting[21] 1880
  2-6-0 B12 class – Originally E class 12 3 Mixed use[22] 1874-1882
  4-6-0 B13 class 13 3 Mixed use[23] 1883-1895
  4-6-0 B13 Baldwin class 13 3 Freight[citation needed] 1908
  4-6-0 B15 class 15 3 Freight[24] 1889-1899
2-6-2 B16½ class 16 1/2 3 Passenger[24] 1918
4-6-0 B17 class 17 3 Express Passenger[25] 1911
  4-6-2 B18¼ class 18 1/4 3 Express passenger, suburban passenger, mail trains and heavy freight[25] 1926-1947
  4-6-2 BB18¼ class 18 1/4 3 Express passenger, mail trains, suburban passenger and heavy freight trains[26] 1950-1958
  4-8-2+2-8-4 Beyer-Garratt class 13 3/4 4 Freight[27] 1950-1951
2-8-0 C13 Baldwin class 13 4 Freight[28] 1879
2-8-0 C13 Dubs class 13 4 Freight[29] 1883
2-8-0 C15 class – Originally Small Consolation class 15 4 Mixed[30] 1879
2-8-0 C16 Baldwin class – Large Consolidation class 15 4 Freight[31] 1882
4-8-0 C16 class 16 4 Poison trains, mail trains, goods trains[32] 1903-1918
  4-8-0 C17 class 17 4 Mail trains, suburban passenger, freight trains and passenger[33] 1920-1953
4-8-0 C18 later CC19 class 18 (then 19) 4 Express passenger[34] 1914
4-8-0 C19 class 19 4 Express passenger[35] 1922-1935
  4-6-4T DD17 class 17 3 Suburban passenger[35] 1948-1952
0-6-6-0 Double boilered Cross class 17 6 Freight[citation needed] 1867

References

  1. ^ a b c Armstrong, John (1985). Locomotives in the Tropics Volume 1. Brisbane: Australian Railway Historical Society. p. 8. ISBN 0 909937 13 3.
  2. ^ a b c Clark, Peter (2012). An Australian Locomotive Guide. Rosenberg Publishing. p. 16. ISBN 9781921719554.
  3. ^ "4D10 – Ipswich Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  4. ^ "4D11½ Abt Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  5. ^ "6D11½ Crane Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  6. ^ "6D11½ Motor Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  7. ^ "6D13 – Originally F – Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  8. ^ "6D13½ Abt Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  9. ^ "6D13½ later B13½ Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  10. ^ "8D15 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  11. ^ "PB15 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  12. ^ a b "6D16 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  13. ^ "A10 Baldwin – Originally American Passenger Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  14. ^ "A10 Fairlie – Originally A Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  15. ^ "A11 – Originally Large A Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  16. ^ "A12 – Originally American Passenger Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  17. ^ "A14 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  18. ^ "AC16 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  19. ^ "Australian Standard Garratt « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  20. ^ "B11 – Originally C Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  21. ^ "B11 Baldwin Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  22. ^ "B12 – Originally E Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  23. ^ "B13 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  24. ^ a b "B15 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  25. ^ a b "B17 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  26. ^ "BB18¼ Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  27. ^ "Beyer-Garratt Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  28. ^ "C13 Baldwin Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  29. ^ "C13 Dubs – Originally Small Consolation Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  30. ^ "C15 – Originally Large Consolation Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  31. ^ "C16 Baldwin – Large Consolidation Classba « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  32. ^ "C16 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  33. ^ "C17 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  34. ^ "C18 later CC19 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.
  35. ^ a b "C19 Class « qrig.org – queensland railway's interest group". Retrieved 24 November 2019.

January 22, 2023
queensland, railways, steam, locomotive, classification, between, 1864, 1958, queensland, railways, ordered, types, locomotives, purposes, such, freight, passenger, mail, train, classification, edituntil, 1889, each, isolated, sections, queensland, railways, a. Between 1864 and 1958 Queensland Railways ordered 47 types of locomotives for purposes such as freight passenger and mail train use Classification EditUntil 1889 each of the isolated sections of the Queensland Railways adopted its own locomotive numbering system With the impending joining of most of the sections in 1890 a new centralised classification system was adopted to eliminate duplications Locomotives on the Southern amp Western Railway retained their existing numbers with locomotives on other networks renumbered where there was a duplication 1 2 The classification system consisted of a letter indicating the number of driving axles followed by a number indicating the cylinder diameter in inches and factions of inches This was confusing for two reasons it differed from the international system it could lead to several classes having the same classification numberWhere classification numbers were duplicated the classes were usually distinguished by the name of the builder e g A10 Baldwin A10 Fairlie A10 Neilson 1 2 In the case of tank locomotives the number of wheels was added as prefix e g the 6D16 class had six wheels When all four wheel tank locomotives the prefix was dropped thus the 6D16 class became the D17 class 1 2 Number of driving axles International classification QR classification1 A 2 B A3 C B4 D C3 Tank locomotive DImproved versions of a similar class were given a second identical letter For example the improved version of the D17 was the DD17 Classes EditClassificationImage Whyte notation Designation Cylinder diameter inches Driving axles Type Years built2 4 2T 4D9 class 9 4 Tank Mixed use citation needed 1881 2 4 2T 4D10 class 10 4 Tank Passenger 3 1884 18850 4 2T 4D11 Abt class 11 2 Tank Rack Freight 4 18980 6 0T 6D8 class 8 1 2 3 Tank Passenger citation needed 1900 19230 6 0ST 6D11 Crane class 11 1 2 3 Saddle Tank Inspection 5 19020 6 0T 6D11 Motor class 11 1 2 3 Tank Freight 6 18820 6 2T 6D13 formerly F class 13 3 Tank Freight 7 18820 6 0T 6D13 Abt class 13 1 2 3 Tank Rack Freight 8 1900 1915 0 6 0T 6D13 later B13 class 13 1 2 3 Tank Shunter 9 1904 19050 4 4 0 8D11 class 11 4 Tank citation needed 18740 4 4 0 8D15 class 15 4 Tank Heavy Freight 10 1884 4 6 0 PB15 class 15 3 Passenger Shunter 11 1899 19264 6 2T originally 4 6 4T after rebuild 6D16 class 16 3 Tank suburban passenger 12 1901 19024 6 4T 6D17 later D17 class 17 3 Tank suburban passenger 12 1924 1942 2 4 0 A10 Avonside 10 2 Freight citation needed 18644 4 0 A10 Baldwin Originally American Passenger class 10 2 Passenger 13 1879 2 4 0 A10 Fairlie Originally A class 10 2 Freight 14 1877 2 4 0 A10 Ipswich 10 2 Freight citation needed 1877 0 4 2 A10 Neilson class Originally B class 10 2 Mixed 1865 18662 4 0 A11 class Originally Large A class 11 2 Mixed 15 18784 4 0 A12 class Originally American Passenger class 12 2 Passenger 16 1882 18914 4 0 A12 small class American Passenger class 12 2 Passenger 18784 4 0 A14 class 14 2 Passenger 17 1894 1895 2 8 2 AC16 class 16 2 Mixed use 18 19434 8 2 2 8 4 2 D1 1 D2 Australian Standard Garratt 14 5 4 Heavy freight 19 1943 19450 6 2 B9 class 9 3 Freight citation needed 1924 19272 6 0 B11 class Originally C class 11 3 Freight 20 18672 6 0 B11 Baldwin class 11 3 Freight then shunting 21 1880 2 6 0 B12 class Originally E class 12 3 Mixed use 22 1874 1882 4 6 0 B13 class 13 3 Mixed use 23 1883 1895 4 6 0 B13 Baldwin class 13 3 Freight citation needed 1908 4 6 0 B15 class 15 3 Freight 24 1889 18992 6 2 B16 class 16 1 2 3 Passenger 24 19184 6 0 B17 class 17 3 Express Passenger 25 1911 4 6 2 B18 class 18 1 4 3 Express passenger suburban passenger mail trains and heavy freight 25 1926 1947 4 6 2 BB18 class 18 1 4 3 Express passenger mail trains suburban passenger and heavy freight trains 26 1950 1958 4 8 2 2 8 4 Beyer Garratt class 13 3 4 4 Freight 27 1950 19512 8 0 C13 Baldwin class 13 4 Freight 28 18792 8 0 C13 Dubs class 13 4 Freight 29 18832 8 0 C15 class Originally Small Consolation class 15 4 Mixed 30 18792 8 0 C16 Baldwin class Large Consolidation class 15 4 Freight 31 18824 8 0 C16 class 16 4 Poison trains mail trains goods trains 32 1903 1918 4 8 0 C17 class 17 4 Mail trains suburban passenger freight trains and passenger 33 1920 19534 8 0 C18 later CC19 class 18 then 19 4 Express passenger 34 19144 8 0 C19 class 19 4 Express passenger 35 1922 1935 4 6 4T DD17 class 17 3 Suburban passenger 35 1948 19520 6 6 0 Double boilered Cross class 17 6 Freight citation needed 1867References Edit a b c Armstrong John 1985 Locomotives in the Tropics Volume 1 Brisbane Australian Railway Historical Society p 8 ISBN 0 909937 13 3 a b c Clark Peter 2012 An Australian Locomotive Guide Rosenberg Publishing p 16 ISBN 9781921719554 4D10 Ipswich Class qrig org queensland railway s interest group Retrieved 24 November 2019 4D11 Abt Class qrig org queensland railway s interest group Retrieved 24 November 2019 6D11 Crane Class qrig org queensland railway s interest group Retrieved 24 November 2019 6D11 Motor Class qrig org queensland railway s interest group Retrieved 24 November 2019 6D13 Originally F Class qrig org queensland railway s interest group Retrieved 24 November 2019 6D13 Abt Class qrig org queensland railway s interest group Retrieved 24 November 2019 6D13 later B13 Class qrig org queensland railway s interest group Retrieved 24 November 2019 8D15 Class qrig org queensland railway s interest group Retrieved 24 November 2019 PB15 Class qrig org queensland railway s interest group Retrieved 24 November 2019 a b 6D16 Class qrig org queensland railway s interest group Retrieved 24 November 2019 A10 Baldwin Originally American Passenger Class qrig org queensland railway s interest group Retrieved 24 November 2019 A10 Fairlie Originally A Class qrig org queensland railway s interest group Retrieved 24 November 2019 A11 Originally Large A Class qrig org queensland railway s interest group Retrieved 24 November 2019 A12 Originally American Passenger Class qrig org queensland railway s interest group Retrieved 24 November 2019 A14 Class qrig org queensland railway s interest group Retrieved 24 November 2019 AC16 Class qrig org queensland railway s interest group Retrieved 24 November 2019 Australian Standard Garratt qrig org queensland railway s interest group Retrieved 24 November 2019 B11 Originally C Class qrig org queensland railway s interest group Retrieved 24 November 2019 B11 Baldwin Class qrig org queensland railway s interest group Retrieved 24 November 2019 B12 Originally E Class qrig org queensland railway s interest group Retrieved 24 November 2019 B13 Class qrig org queensland railway s interest group Retrieved 24 November 2019 a b B15 Class qrig org queensland railway s interest group Retrieved 24 November 2019 a b B17 Class qrig org queensland railway s interest group Retrieved 24 November 2019 BB18 Class qrig org queensland railway s interest group Retrieved 24 November 2019 Beyer Garratt Class qrig org queensland railway s interest group Retrieved 24 November 2019 C13 Baldwin Class qrig org queensland railway s interest group Retrieved 24 November 2019 C13 Dubs Originally Small Consolation Class qrig org queensland railway s interest group Retrieved 24 November 2019 C15 Originally Large Consolation Class qrig org queensland railway s interest group Retrieved 24 November 2019 C16 Baldwin Large Consolidation Classba qrig org queensland railway s interest group Retrieved 24 November 2019 C16 Class qrig org queensland railway s interest group Retrieved 24 November 2019 C17 Class qrig org queensland railway s interest group Retrieved 24 November 2019 C18 later CC19 Class qrig org queensland railway s interest group Retrieved 24 November 2019 a b C19 Class qrig org queensland railway s interest group Retrieved 24 November 2019 Retrieved from https en wikipedia org w index php title Queensland Railways steam locomotive classification amp oldid 1106397468, wikipedia, wiki, book, books, library,

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