imported>Locomotive 150: Added number of 4-12-2 locomotives

2025-12-26T05:06:06Z

Added number of 4-12-2 locomotives

← Previous revision		Revision as of 05:06, 26 December 2025
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	=== Denotion of other locomotives ===		=== Denotion of other locomotives ===
	=== Articulated locomotives ===
			==== Articulated locomotives ====
	For [[articulated locomotives]] that have two wheelsets, such as [[Garratt locomotive\|Garratt]]s, which are effectively two locomotives joined by a common [[boiler]], each wheelset is denoted separately, with a plus sign (+) between them. Thus a 4-6-2-type Garratt is a {{whyte\|4-6-2+2-6-4}}. For Garratt locomotives, the plus sign is used even when there are no intermediate unpowered wheels, e.g. the [[LMS Garratt]] {{whyte\|2-6-0+0-6-2}}. This is because the two engine units are more than just [[power bogie]]s. They are complete engines, carrying fuel and water tanks. The plus sign represents the bridge (carrying the boiler) that links the two engines.		For [[articulated locomotives]] that have two wheelsets, such as [[Garratt locomotive\|Garratt]]s, which are effectively two locomotives joined by a common [[boiler]], each wheelset is denoted separately, with a plus sign (+) between them. Thus a 4-6-2-type Garratt is a {{whyte\|4-6-2+2-6-4}}. For Garratt locomotives, the plus sign is used even when there are no intermediate unpowered wheels, e.g. the [[LMS Garratt]] {{whyte\|2-6-0+0-6-2}}. This is because the two engine units are more than just [[power bogie]]s. They are complete engines, carrying fuel and water tanks. The plus sign represents the bridge (carrying the boiler) that links the two engines.

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	[[Triplex locomotive]]s, and any theoretical larger ones, simply expand on basic articulated locomotives, for example, [[2-8-8-8-2]]. In the case of the Belgian [[quadruplex locomotive]], the arrangement is listed as 0-6-2+2-4-2-4-2+2-6-0.<ref>{{cite web \| url=http://www.douglas-self.com/MUSEUM/LOCOLOCO/francocrosti/francocrosti.htm#b \| title=The Franco-Crosti Boiler System }}</ref>		[[Triplex locomotive]]s, and any theoretical larger ones, simply expand on basic articulated locomotives, for example, [[2-8-8-8-2]]. In the case of the Belgian [[quadruplex locomotive]], the arrangement is listed as 0-6-2+2-4-2-4-2+2-6-0.<ref>{{cite web \| url=http://www.douglas-self.com/MUSEUM/LOCOLOCO/francocrosti/francocrosti.htm#b \| title=The Franco-Crosti Boiler System }}</ref>

	=== Duplex locomotives ===		==== Duplex locomotives ====
	For [[duplex locomotive]]s, which have two sets of coupled driving wheels mounted rigidly on the same frame, the same method is used as for [[Mallet (locomotive)\|Mallet]] [[#Articulated locomotives\|articulated locomotives]] – the number of leading wheels is placed first, followed by the leading set of driving wheels, followed by the trailing set of driving wheels, followed by the trailing wheels, each number being separated by a hyphen.		For [[duplex locomotive]]s, which have two sets of coupled driving wheels mounted rigidly on the same frame, the same method is used as for [[Mallet (locomotive)\|Mallet]] [[#Articulated locomotives\|articulated locomotives]] – the number of leading wheels is placed first, followed by the leading set of driving wheels, followed by the trailing set of driving wheels, followed by the trailing wheels, each number being separated by a hyphen.

	=== Tank locomotives ===		==== Tank locomotives ====
	A number of standard suffixes can be used to extend the Whyte notation for [[tank locomotives]]:<ref name=irs>{{irs-el\|el=17}}</ref>		A number of standard suffixes can be used to extend the Whyte notation for [[tank locomotives]]:<ref name=irs>{{irs-el\|el=17}}</ref>

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	\|}		\|}

	=== Other steam locomotives ===		==== Other steam locomotives ====
	Various other types of steam locomotive can be also denoted through suffixes:<ref name=irs/>		Various other types of steam locomotive can be also denoted through suffixes:<ref name=irs/>
	{\|class=wikitable		{\|class=wikitable
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	\|}		\|}

	=== Internal combustion locomotives ===		==== Internal combustion locomotives ====
	{{redirect\|8w (locomotive)\|\|8W (disambiguation)#Rail transport}}		{{redirect\|8w (locomotive)\|\|8W (disambiguation)#Rail transport}}
	The wheel arrangement of small [[Diesel locomotive\|diesel]] and [[Petrol locomotive\|petrol]] locomotives can be classified using the same notation as steam locomotives, e.g. 0-4-0, 0-6-0, 0-8-0. Where the axles are coupled by chains or shafts (rather than side rods) or are individually driven, the terms 4w (4-''wheeled''), 6w (6-wheeled) or 8w (8-wheeled) are generally used. For larger locomotives, the [[UIC classification]] is more commonly used.		The wheel arrangement of small [[Diesel locomotive\|diesel]] and [[Petrol locomotive\|petrol]] locomotives can be classified using the same notation as steam locomotives, e.g. 0-4-0, 0-6-0, 0-8-0. Where the axles are coupled by chains or shafts (rather than side rods) or are individually driven, the terms 4w (4-''wheeled''), 6w (6-wheeled) or 8w (8-wheeled) are generally used. For larger locomotives, the [[UIC classification]] is more commonly used.
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	\|}		\|}

	=== Electric locomotives ===		==== Electric locomotives ====
	The wheel arrangement of small [[electric locomotive]]s can be denoted using this notation, like with [[#Internal combustion locomotives\|internal combustion locomotives]].		The wheel arrangement of small [[electric locomotive]]s can be denoted using this notation, like with [[#Internal combustion locomotives\|internal combustion locomotives]].

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	\| [[File:WheelArrangement 2-12-0.svg\|120px]] \|\| [[2-12-0]] \|\| Centipede<ref name="railroad pocket-book" />		\| [[File:WheelArrangement 2-12-0.svg\|120px]] \|\| [[2-12-0]] \|\| Centipede<ref name="railroad pocket-book" />
	\|-		\|-
	\| [[File:WheelArrangement 2-12-2.svg\|125px]] \|\| [[2-12-2]] \|\| Javanic<ref name=":2" />		\| [[File:WheelArrangement 2-12-2.svg\|125px]] \|\| [[2-12-2]] \|\| [[Indonesian Railways class SS 800 / F10\|Javanic]]<ref name=":2" />
	\|30		\|30
	\|-		\|-
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	\|\|\| [[2-12-6]] \|\| ''Proposed by [[Lima Locomotive Works\|Lima]], never built''		\|\|\| [[2-12-6]] \|\| ''Proposed by [[Lima Locomotive Works\|Lima]], never built''
	\|-		\|-
	\| [[File:WheelArrangement 4-12-2.svg\|135px]] \|\| [[4-12-2]] \|\| [[Union Pacific]]<ref>{{MR steam cyclopedia}}</ref> \|\|		\| [[File:WheelArrangement 4-12-2.svg\|135px]] \|\| [[4-12-2]] \|\| [[Union Pacific]]<ref>{{MR steam cyclopedia}}</ref>
			\|88
	\|-		\|-
	\| colspan="3" \|		\| colspan="4" \|
	\|-		\|-
	\| [[File:WheelArrangement 4-14-4.svg\|150px]] \|\| [[4-14-4]] \|\| [[Soviet locomotive class AA20\|AA20]],<ref>{{cite web\| url=http://www.aqpl43.dsl.pipex.com/MUSEUM/LOCOLOCO/russ/russrefr.htm\| title=Russian Reforms\| date=2001-10-06\| access-date=2008-02-08\| url-status=live\| archive-url=https://web.archive.org/web/20101018053044/http://www.aqpl43.dsl.pipex.com/MUSEUM/LOCOLOCO/russ/russrefr.htm\| archive-date=18 October 2010}}</ref> Soviet<ref name=":2" />\|\| 1		\| [[File:WheelArrangement 4-14-4.svg\|150px]] \|\| [[4-14-4]] \|\| [[Soviet locomotive class AA20\|AA20]],<ref>{{cite web\| url=http://www.aqpl43.dsl.pipex.com/MUSEUM/LOCOLOCO/russ/russrefr.htm\| title=Russian Reforms\| date=2001-10-06\| access-date=2008-02-08\| url-status=live\| archive-url=https://web.archive.org/web/20101018053044/http://www.aqpl43.dsl.pipex.com/MUSEUM/LOCOLOCO/russ/russrefr.htm\| archive-date=18 October 2010}}</ref> Soviet<ref name=":2" />\|\| 1
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	\|-		\|-
	\| [[File:WheelArrangement 2-10-10-2.svg\|185px]] \|\| [[2-10-10-2]] \|\| (Santa Fe and Virginian railroads)<ref name="2-8-8-2 profile" /> \|\| 20		\| [[File:WheelArrangement 2-10-10-2.svg\|185px]] \|\| [[2-10-10-2]] \|\| (Santa Fe and Virginian railroads)<ref name="2-8-8-2 profile" /> \|\| 20
			\|-
			\| colspan="4" \|
			\|-
			\| \|\| 2-6-6-8-2 \|\| Alco triplex proposed to the C&O \|\| 0
	\|-		\|-
	\| colspan="4" \|		\| colspan="4" \|

imported>GreenC bot: Move 1 url. Wayback Medic 2.5 per WP:URLREQ#nps.gov

2025-06-03T07:11:13Z

Move 1 url. Wayback Medic 2.5 per WP:URLREQ#nps.gov

← Previous revision		Revision as of 07:11, 3 June 2025
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	\| [[File:WheelArrangement 4-4-2.svg\|70px]] \|\| [[4-4-2 (locomotive)\|4-4-2]] \|\| Atlantic<ref name="railroad pocket-book" /><ref>{{cite encyclopedia\| author=Marsden, Richard\| url=http://www.lner.info/locos/C/c.shtml\| title=The LNER 4-4-2 Atlantic Locomotives\| encyclopedia=The London & North Eastern Railway (LNER) Encyclopedia\| year=2008\| access-date=2008-02-08\| url-status=live\| archive-url=https://web.archive.org/web/20080213172111/http://www.lner.info/locos/C/c.shtml\| archive-date=13 February 2008}}</ref>		\| [[File:WheelArrangement 4-4-2.svg\|70px]] \|\| [[4-4-2 (locomotive)\|4-4-2]] \|\| Atlantic<ref name="railroad pocket-book" /><ref>{{cite encyclopedia\| author=Marsden, Richard\| url=http://www.lner.info/locos/C/c.shtml\| title=The LNER 4-4-2 Atlantic Locomotives\| encyclopedia=The London & North Eastern Railway (LNER) Encyclopedia\| year=2008\| access-date=2008-02-08\| url-status=live\| archive-url=https://web.archive.org/web/20080213172111/http://www.lner.info/locos/C/c.shtml\| archive-date=13 February 2008}}</ref>
	\|-		\|-
	\| [[File:WheelArrangement 4-4-4.svg\|75px]] \|\| [[4-4-4]] \|\| Reading, Jubilee (Canada)<ref>{{cite web\| url=http://www.cr.nps.gov/history/online_books/steamtown/shs3h.htm\| title=Canadian Pacific Railway No. 2929\| work=Steamtown NHS Special History Study\| publisher=United States National Park Service\| date=2002-02-14\| access-date=2008-02-08\| url-status=~~live~~\| archive-url=https://web.archive.org/web/20070519064257/http://www.cr.nps.gov/history/online_books/steamtown/shs3h.htm\| archive-date=19 May 2007}}</ref>		\| [[File:WheelArrangement 4-4-4.svg\|75px]] \|\| [[4-4-4]] \|\| Reading, Jubilee (Canada)<ref>{{cite web\| url=http://www.cr.nps.gov/history/online_books/steamtown/shs3h.htm\| title=Canadian Pacific Railway No. 2929\| work=Steamtown NHS Special History Study\| publisher=United States National Park Service\| date=2002-02-14\| access-date=2008-02-08\| url-status=dead\| archive-url=https://web.archive.org/web/20070519064257/http://www.cr.nps.gov/history/online_books/steamtown/shs3h.htm\| archive-date=19 May 2007}}</ref>
	\|-		\|-
	\| colspan="4" \|		\| colspan="4" \|

81.36.105.84: /* {{anchor|Naming}}Wheel arrangement names */ Added 0-8-6-0T

2025-03-17T09:38:32Z

{{anchor|Naming}}Wheel arrangement names: Added 0-8-6-0T

Show changes

Whyte notation - Revision history

imported>Locomotive 150: Added number of 4-12-2 locomotives

imported>GreenC bot: Move 1 url. Wayback Medic 2.5 per WP:URLREQ#nps.gov

81.36.105.84: /* {{anchor|Naming}}Wheel arrangement names */ Added 0-8-6-0T