Victorian Railways O class (1861)

{{Short description|Class of Australian 0-6-0 steam locomotives}}

{{Use dmy dates|date=June 2024}}{{Use Australian English|date=June 2024}}

{{Infobox locomotive

| name = Victorian Railways O class

| powertype = Steam

| image = VR O class locomotive.jpg

| caption =

| designer =

| builder = Beyer, Peacock & Company, Manchester, UK (11)
Slaughter, Gruning & Co., Bristol, UK (6)
Robert Stephenson & Company, Newcastle upon Tyne, UK (12)
Yorkshire Engine Company, Sheffield, UK (6)
VR - Williamstown Workshops (2)
Phoenix Foundry, Ballarat (7)

| ordernumber =

| serialnumber = Beyer, Peacock: 553 - 558, 1040, 1041, 1709 - 1711
Slaughter & Grüning: 460 - 465
Robert Stephenson: 1441 - 1452
Yorkshire Engine: 153 - 158
Phoenix Foundry: 48 - 54

| buildmodel =

| builddate = 1861 - 1881

| totalproduction = 44

| rebuilder =

| rebuilddate =

| numberrebuilt =

| whytetype = {{whyte|0-6-0}}

| gauge = {{RailGauge|victorian|allk=on|first=imp}}

| bogies =

| leadingdiameter =

| driverdiameter = {{cvt|5|ft|0|in|mm}}

| trailingdiameter =

| tenderdiameter = {{cvt|3|ft|6|in|m}}

| wheelbase = {{cvt|33|ft|10|in|m}}

| engine total =

| leading =

| coupled = {{cvt|15|ft|11|in|mm}}

| trailing =

| tender total = {{cvt|10|ft|9|in|m}}

| tenderbogie =

| pivotcentres =

| length =

| over couplers = {{cvt|45|ft|8|in|m}}{{VictorianRailways-Diagrams|1904|page=5}}

| body =

| width =

| height = {{cvt|13|ft|6|in|m}}

| axleload = {{long ton|13|8|lk=on}}{{Cave-First Fifty|page=50}}
1904 diagram: {{long ton|15|6|lk=on}}
1914 diagram: {{long ton|15|17|lk=on}}{{VictorianRailways-Diagrams|1914|page=6}}

| leadingbogie/pony =

| coupled all =

| trail bogie/pony =

| tenderbogieload =

| tenderaxle =

| locoweight = {{long ton|38|11|lk=on}}
1904 diagram: {{long ton|37|12|lk=on}}
1914 diagram: {{long ton|39|5|lk=on}}

| tenderweight = {{long ton|25|13|lk=on}}
1904 diagram: {{long ton|25|13|1|lk=on}}
1914 diagram: {{long ton|25|12|2|lk=on}}

| locotenderweight = {{long ton|64|4|lk=on}}
1904 diagram: {{long ton|63|5|1|lk=on}}
1914 diagram: {{long ton|64|17|2|lk=on}}

| tendertype =

| fueltype =

| fuelcap = Rebuilt 1865: {{long ton||70|lk=on}}
1914 diagram: {{long ton||60|lk=on}}

| watercap = {{cvt|1400|impgal|L USgal}}
Rebuilt 1865: {{cvt|1915|impgal|L USgal}}
1904 diagram: {{cvt|2150|impgal|L USgal}}
1914 diagram: {{cvt|2100|impgal|L USgal}}

| tendercap =

| sandcap =

| fireboxtype =

| firearea = {{cvt|17.77|sqft|m2}}
1904 diagram: {{cvt|20.62|sqft|m2}}

| boiler =

| boilerpressure = Original: {{cvt|130|psi|kPa|0|lk=on}}

1904 diagram:

  • 27, 41: {{cvt|120|psi|kPa|0|lk=on}}
  • 19 - 25, 29 - 39, 43 - 55, 59 - 81, 127, 129, 135, 139, 141, 145, 147: {{cvt|130|psi|kPa|0|lk=on}}
  • 57, 131, 133, 137, 143, 149: {{cvt|140|psi|kPa|0|lk=on}}
  • 135: {{cvt|160|psi|kPa|0|lk=on}}

1914 diagram:

  • 129: {{cvt|130|psi|kPa|0|lk=on}}
  • 131, 149: {{cvt|140|psi|kPa|0|lk=on}}
  • 45, 51, 67, 69, 71, 79, 81, 133, 135, 137, 139, 141, 143, 145, 147: {{cvt|160|psi|kPa|0|lk=on}}

| safetyvalvetype =

| totalsurface = {{cvt|1151.89|sqft|m2|0}}
1904 diagram: {{cvt|1225.72|sqft|m2}}

| tubearea = {{cvt|1014.14|sqft|m2}}
1904 diagram: {{cvt|1125.72|sqft|m2}}

| archarea =

| fluearea =

| tubesandflues =

| fireboxarea = {{cvt|137.75|sqft|m2}}
1904 diagram: {{cvt|100.00|sqft|m2}}

| superheatertype =

| superheaterarea =

| cylindercount = 2, inside

| cylindersize = {{cvt|17|×|24|in|mm|0}}
1914 diagram: {{cvt|17+1/2|×|24|in|mm|0}}

| valvegear =

| gear ratio =

| locobrakes =

| trainbrakes =

| safety =

| coupling =

| maxspeed =

| poweroutput =

| tractiveeffort = {{cvt|11560|lbf|kN|lk=on|abbr=on}} at 100 psi
1904 diagram - 140psi: {{cvt|12950|lbf|kN|lk=on|abbr=on}}
1914 diagram - 160psi: {{cvt|15680|lbf|kN|lk=on|abbr=on}}

| operator = Victorian Railways

| numinclass = 44

| fleetnumbers = Numbers at delivery: 26-31, 52-63, 70-81, 88-89 (never ran with these), Numbers in service: 19-81, 127-149 (odd only)

| officialname =

| nicknames = Overarmers

| deliverydate = 1861

| firstrundate = October 1862

| lastrundate = 10 June 1922
({{A.y|October 1862|10 June 1922}})

| withdrawndate = 1904 - 1922

| preservedunits =

| scrapdate =

| currentowner =

| disposition = All scrapped

| notes =

}}

The Victorian Railways O class was a class of {{whyte|0-6-0}} goods locomotives operated by the Victorian Railways between 1862 and 1922, built by various builders.

History

Victorian Railways initially numbered passenger and goods locomotives separately, the engines were delivered with numbers 26–31, 52–63, 70–81, 88–89. This system was changed before these locos entered service to odd numbers for goods locomotives and even numbers for passenger locos with these locomotives taking the odd numbers 19–81, 127–149. This odd and even system remained in use until 1912. In 1886, they were allocated to Class O.

=Production=

The first order for six locomotives was placed with Slaughter, Gruning & Co. (builder's numbers 460–465) in April 1861 and twelve locomotives with Robert Stephenson & Company (B/n 1441–1452) in January 1862. The locomotives built by Slaughter, Grüning (B/n 231–237, 261–266) arrived in Port Phillip June 1862, and the Robert Stephenson ones in October 1862.

In June 1865, an order for six more locomotives was placed with Beyer, Peacock & Company (B/n 553–558) which arrived May 1966. In 1870, a further order for six more locomotives was placed with Yorkshire Engine Company (B/n 153–158) which arrived March 1971. The last imports were ordered from Beyer Peacock, two in July 1871 (B/n 1040–1041) and three in 1878 (B/n 1709–1711). The imported locos had an average cost of £3919-14-10 for each.

Seven locomotives were locally built by the Phoenix Foundry of Ballarat in 1878/9 (B/n 48–54) and a further two by the Victorian Railways at the Williamstown Workshops in 1879 and 1881 at an average cost of £4142-15-0 for each local loco.

=Regular service=

Before entering regular service, O129 was exhibited at the Melbourne International Exhibition in 1880.

In 1894, they were allocated; ten at Melbourne; fourteen at {{rwsa|Bendigo}}; ten at {{rwsa|Ballarat}} and ten at {{rwsa|Benalla}}.

=Design improvements=

Over the years they were fitted with various alterations to the cabs. There were also various upgrades over the years; with constant improvements to safety — these including things like updates to safety valves (and domes), smokeboxs and chimneys (with spark arrestors), cowcatchers, and brakes.

There were subsequent reboilerings which raised the working pressure to {{cvt|140|psi|kPa}} then to {{cvt|160|psi|kPa}}, while their cylinder bore was increased from {{convert|17|to|17.5|in}} when rebuilt after 1896. These changes led to considerably increased tractive effort.

=Accidents=

  • 15 October 1862 - O25 derailed after hitting spoil bank at {{rwsa|Elphinstone}}
  • 1870 - O57 derailed at {{rwsa|Harcourt}}
  • 1872 - O51 boiler exploded at {{rwsa|North Melbourne}}, locomotive was repaired and returned to service
  • 20 August 1873 - O23 boiler exploded at {{rwsa|Geelong}}, locomotive was repaired and returned to service
  • 1 September 1876 - O49 derailed at Melbourne Yard
  • 4 September 1876 - O53 involved in accident at {{rwsa|Riddells Creek}}
  • 13 February 1877 - O43 derailed between {{rwsa|Epsom|v}} and {{rwsa|Huntly|v}} due to floods
  • November 1877 - O53 involved in accident at {{rwsa|Woodend|v}}
  • 5 January 1879 - O149 ran away Melbourne Yard
  • April 1879 - O65 broke leading axle at {{rwsa|Gisborne}}
  • August 1879 - O65 collided with V17 in Melbourne Yard
  • 11 July 1881 - O135 involved in accident on North East line
  • 28 August 1883 - O79 collided with L20 at {{rwsa|Newmarket|m}}
  • January 1884 - O27 collided with S215 at Warrenheip Bank
  • 2 April 1884 - O49 boiler exploded at {{rwsa|Sunbury|m}}, locomotive was repaired and returned to service
  • 9 July 1884 - O35 broke crank axle
  • November 1884 - O145 collided with A202 in Melbourne Yard
  • February 1885 - O31 collided with R315 in Melbourne Yard
  • November 1887 - O51 boiler exploded at Elphinstone, locomotive was repaired and returned to service
  • 22 August 1894 - O71 collided with R477 at {{rwsa|Baddaginnie}}
  • July 1895 - O69 collided with B88 at Spencer Street
  • October 1895 - O19 ran off road at {{rwsa|Williamstown}}
  • 15 March 1897 - O141 involved in accident on Mordialloc line
  • April 1905 - O67 in shops after accident
  • January 1907 - O27 involved in accident at Williamstown
  • 3 February 1910 - O149 derailed with DD616 at {{rwsa|Trawalla}}

=Demise=

Some were used as a stationary engines at Newport Workshops; O31 from 24 December 1908, five (O35, O39, O41, O53, O61) from 19 May 1909, and finally the boiler from O149 was used in a forge at Newport from 21 August 1916.

In 1912, O57's frames were sold to Mr Freeman of {{VICcity|Echuca}} for £423, while it's tender was sold to Kerang & Koondrook Tramway for £60. On 19 May 1909, O63 converted to stationary engine and sold to Mr Arbuthnott of {{VICcity|Koondrook}} (along with the boiler of R173) and was used in PS Arbuthnot.
.

The remainder were withdrawn between 1904 and 1921{{Cave-First Fifty|chapter=Chapter 4}}.

An unknown boiler from either a O or B class was used until 1941 to power refrigeration plant at Spencer Street where ice was made for T vans.

Fleet summary

class="wikitable"

!Key:

|In service

|bgcolor=#87cefa|Preserved

|bgcolor=#ffc0cb|Stored or withdrawn

|bgcolor=#cecece|Scrapped

class="wikitable sortable mw-collapsible"

! scope="col" | Locomotive

! scope="col" | Previous numbers

! scope="col" | Builder no.

! scope="col" | Entered service

! scope="col" | Withdrawn

! scope="col" | Scrapped

! scope="col" |Status

! scope="col" class="unsortable" | Notes

bgcolor=#cecece

| O19

70553{{dts|September 1866}}{{dts|11 August 1906}}Scrapped
bgcolor=#cecece

| O21

71554{{dts|October 1866}}{{dts|30 June 1906}}ScrappedReboilered - 29 July 1884
bgcolor=#cecece

| O23

26460{{dts|October 1862}}{{dts|25 March 1905}}ScrappedNew chimney - July 1896
bgcolor=#cecece

| O25

27461{{dts|October 1862}}{{dts|21 November 1908}}ScrappedNew chimney - July 1886
bgcolor=#cecece

| O27

28462{{dts|October 1862}}{{dts|19 September 1908}}Scrapped
bgcolor=#cecece

| O29

29463{{dts|November 1862}}{{dts|12 August 1905}}ScrappedReboilered - 6 January 1882. New chimney - January 1882
bgcolor=#cecece

| O31

30464{{dts|December 1862}}{{dts|24 December 1908}}ScrappedPainted brown - March 1903. Stationary boiler at Newport - 24 December 1908
bgcolor=#cecece

| O33

31465{{dts|December 1862}}{{dts|1 October 1904}}Scrapped
bgcolor=#cecece

| O35

521441{{dts|February 1863}}{{dts|19 May 1909}}ScrappedStationary engine at Newport - 19 May 1909
bgcolor=#cecece

| O37

531442{{dts|December 1862}}{{dts|25 March 1905}}Scrapped
bgcolor=#cecece

| O39

541443{{dts|February 1863}}{{dts|19 May 1909}}ScrappedNew boiler and chimney - 6 May 1882. Stationary engine at Newport - 19 May 1909
bgcolor=#cecece

| O41

551444{{dts|February 1863}}{{dts|19 May 1909}}ScrappedStationary engine at Newport - 19 May 1909
bgcolor=#cecece

| O43

561445{{dts|February 1863}}{{dts|13 August 1904}}Scrapped
bgcolor=#cecece

| O45

571446{{dts|February 1863}}{{dts|19 June 1915}}Scrapped
bgcolor=#cecece

| O47

581447{{dts|October 1863}}{{dts|13 August 1904}}ScrappedReboilered - 28 July 1883. New chimney - 28 April 1887
bgcolor=#cecece

| O49

591448{{dts|November 1863}}{{dts|1 April 1905}}Scrapped
bgcolor=#cecece

| O51

601449{{dts|July 1863}}{{dts|27 December 1913}}Scrapped
bgcolor=#cecece

| O53

611450{{dts|December 1863}}{{dts|19 May 1909}}ScrappedNew chimney - 31 January 1877. New chimney - 15 February 1887. Stationary engine at Newport - 19 May 1909
bgcolor=#cecece

| O55

621451{{dts|December 1863}}{{dts|29 July 1905}}Scrapped
bgcolor=#cecece

| O57

631452{{dts|January 1864}}{{dts|24 July 1912}}ScrappedFrames sold to Mr Freeman of Echuca (£423). Tender sold to Kerang & Koondrook Tramway (£60)
bgcolor=#cecece

| O59

72555{{dts|September 1866}}{{dts|16 June 1906}}Scrapped
bgcolor=#cecece

| O61

73556{{dts|October 1866}}{{dts|19 May 1909}}ScrappedNew chimney - 10 July 1885. Stationary engine at Newport - 19 May 1909
bgcolor=#cecece

| O63

74557{{dts|September 1866}}{{dts|19 May 1909}}ScrappedNew chimney - 24 September 1885. Converted to stationary engine and sold to Mr Arbuthnott of Koondrook with boiler of R173 - 19 May 1909. Boiler used in PS Arbuthnot
bgcolor=#cecece

| O65

75558{{dts|July 1866}}{{dts|27 September 1913}}Scrapped
bgcolor=#cecece

| O67

881040{{dts|June 1872}}{{dts|26 April 1919}}Scrapped
bgcolor=#cecece

| O69

891041{{dts|June 1872}}{{dts|19 February 1920}}Scrapped
bgcolor=#cecece

| O71

76153{{dts|June 1871}}{{dts|22 November 1919}}Scrapped
bgcolor=#cecece

| O73

77154{{dts|July 1871}}{{dts|27 September 1913}}Scrapped
bgcolor=#cecece

| O75

78155{{dts|May 1871}}{{dts|28 October 1905}}Scrapped
bgcolor=#cecece

| O77

79156{{dts|April 1871}}{{dts|7 July 1906}}Scrapped
bgcolor=#cecece

| O79

80157{{dts|May 1871}}{{dts|27 April 1921}}ScrappedTender fitted to O149 - 10 February 1910
bgcolor=#cecece

| O81

81158{{dts|May 1871}}{{dts|19 September 1918}}Scrapped
bgcolor=#cecece

| O127

--{{dts|September 1879}}{{dts|30 January 1909}}ScrappedCowcatcher fitted - 17 May 1888
bgcolor=#cecece

| O129

--{{dts|June 1881}}{{dts|26 April 1919}}ScrappedExhibited at the Melbourne International Exhibition - 1880
bgcolor=#cecece

| O131

-48{{dts|October 1878}}{{dts|10 May 1919}}ScrappedTender fitted to O149 - 9 February 1907
bgcolor=#cecece

| O133

-49{{dts|January 1879}}{{dts|19 May 1917}}ScrappedCowcatcher fitted - 15 July 1891
bgcolor=#cecece

| O135

-50{{dts|February 1879}}{{dts|10 June 1922}}ScrappedNew chimney - 17 February 1887
bgcolor=#cecece

| O137

-51{{dts|March 1879}}{{dts|13 October 1919}}ScrappedCowcatcher fitted - 6 June 1891
bgcolor=#cecece

| O139

-52{{dts|May 1879}}{{dts|22 November 1919}}ScrappedCowcatcher fitted - 29 November 1890
bgcolor=#cecece

| O141

-53{{dts|June 1879}}{{dts|10 May 1919}}ScrappedCowcatcher fitted - 16 April 1891
bgcolor=#cecece

| O143

-54{{dts|July 1889}}{{dts|13 October 1919}}Scrapped
bgcolor=#cecece

| O145

-1709{{dts|February 1878}}{{dts|20 August 1917}}ScrappedCowcatcher fitted - 6 September 1890
bgcolor=#cecece

| O147

-1710{{dts|March 1878}}{{dts|28 June 1919}}ScrappedCowcatcher fitted - 3 August 1888. New chimney - 4 August 1888
bgcolor=#cecece

| O149

-1711{{dts|March 1878}}{{dts|17 June 1916}}ScrappedNew cab - 10 March 1891. Tender from O131 fitted - 9 February 1907. Tender from O79 fitted - 10 February 1910. Boiler in forge at Newport - 21 August 1916

References

  • {{cite book| author=Dee| title=Power Parade| publisher=VicRail Public Relations Division| location=Melbourne| year=1981| isbn=0-7241-3323-2| display-authors=etal| page=4}}
  • {{Cave-First Fifty|chapter=Chapter 5|pages=37-52}}

=Specific=

{{Reflist}}