Whyte Classification of Steam Locomotive Wheel Arrangements

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Whyte Classification of Steam Locomotive Wheel Arrangements

Lindsay & District Model Railroaders P.O. Box 452, Lindsay, ON, K9V 4S5 Email: [email protected] http://www.ldmr.org Steam Locomotive Wheel Arrangements Whyte-Notation American name picture scheme 2-2-0 Planet oO 2-2-2 Patentee oOo 4-2-0 Crampton, Norris ooO 6-2-0 Crampton oooO 0-4-0 Four-Wheel-Switcher OO 2-4-0 Hanscom oOO 2-4-2 Columbia oOOo 4-4-0 American, Eight-Wheeler ooOO 4-4-2 Atlantic ooOOo 4-4-4 Jubilee ooOOoo 0-6-0 Six-Wheel-Switcher OOO 2-6-0 Mogul oOOO 4-6-0 Ten-Wheeler ooOOO 2-6-2 Prairie oOOOo 4-6-2 Pacific ooOOOo 2-6-4 Adriatic oOOOoo 4-6-4 Hudson, Baltic ooOOOoo 0-8-0 Eight-Wheel-Switcher OOOO 2-8-0 Consolidation oOOOO 2-8-2 Mikado, Mac Arthur oOOOOo 2-8-4 Berkshire oOOOOoo 4-8-0 Twelve-Wheeler, Mastodon ooOOOO 4-8-2 Mountain, Mohawk (NYC) ooOOOOo 4-8-4 General Service (SP), Golden State (SP), Northern, Niagara (NYC), Wyoming ooOOOOoo 0-10-0 Ten-Wheel Switcher OOOOO 0-10-2 Union OOOOOo 2-10-0 Decapod oOOOOO 4-10-0 Mastodon ooOOOOO 2-10-2 Santa Fe oOOOOOo 2-10-4 Texas oOOOOOoo 4-10-2 Texas, Southern Pacific, Overland ooOOOOOo 2-12-0 Centipede oOOOOOO 2-12-2 Javanic oOOOOOOo 4-12-2 Union Pacific ooOOOOOOo 0-6-6-0 Erie (Mallet-Lok) OOO OOO 2-6-6-0 nameless (Mallet-Lok) oOOO OOO 2-6-6-2 Mallet Mogul (SP), Prairie Mallet (ATSF) oOOO OOOo 2-6-6-4 nameless (Mallet-Lok) oOOO OOOoo 4-6-6-4 Challenger (Mallet-Lok) ooOOO OOOoo 2-6-6-6 Allegheny (Mallet-Lok) oOOO OOOooo 0-8-8-0 Angus (Mallet-Lok) OOOO OOOO 2-8-8-0 Bullmoose (Mallet-Lok) oOOOO OOOO 2-8-8-2 Chesapeake, Mallet consolidation (Mallet-Lok) oOOOO OOOOo 2-8-8-4 Yellowstone (Mallet-Lok) oOOOO OOOOoo 4-8-8-2 Articulated consolidation (Mallet-Lok) ooOOOO OOOOo 4-8-8-4 Big Boy (Mallet-Lok) ooOOOO OOOOoo 2-10-10-2 Virginian (Mallet-Lok) oOOOOO OOOOOo 4-6-2 + 2-6-4 Double Pacific (Garratt-Lok) ooOOOo oOOOoo 4-8-2 + 2-8-4 Double Mountain (Garratt-Lok) ooOOOOo oOOOOoo Page 1 of 1 .

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Baldwin Locomotive Works Location: Philadelphia (Eddystone, PA, in 1912) Operating Dates: 1831-1956 Principals: Matthias W
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