The Yorkshire Patent Steam Wagon Co. was a steam wagon manufacturer in Leeds, England. They produced their first wagon in 1901. Their designs had a novel double ended boiler. In 1911 the company's name was changed to Yorkshire Commercial Motor Co., but reverted to Yorkshire Patent Steam Wagon Co. in 1922. Steam wagon production ceased in 1937, and the company was finally dissolved in 1993.
More details required can you help ?
There ar about 10 known models preserved 
- No.117 of 19 ? 2 ton wagon reg no. CA170
|Engine No.||Name||Build Date||Type||Weight||Power nhp||Reg No.||Owner||Image||Other info|
|Yorkshire Wagon Co. no. 117||Denby Maiden||1905||SW||2 ton||? nhp||CA 170||J.C. Ward & Sons, W Yorkshire||At Belvoir Castle show & Harewood House Steam Rally in 2008|
|-||1911||Wagon||6 ton||? nhp||-||Owner ?||
|-||1914||Wagon||6 ton||6 nhp||U 2749||Owner ?||
||Misc info (were seen, photo taken, special features etc)|
|Pendle Queen||1917||Wagon||3 ton||4 nhp||U 4245||owner ? (ex Tom Varley collection)||to add||On loan to Leyland Motor Museum (not seen Aug 2009)|
|-||1924||Wagon||3 ton||? nhp||DP 5314||Owner ?||
(Non UK Engine)
|Ethel||1924||Wagon||? ton||? nhp||-||Owner ? (In Tasmania)||Photo at SteamFest in Sheffield Tasmania 2011|
|Yorkshire Wagon Co. no. 2108||Yorkshire Lad||1927|| Wagon|
|-||? nhp||UA 1788||Mr Wines, of ?||Holcot 2008 & Lister Tyndale 2009|
|-||1927||Tractor||6 ton||? nhp||UA 1163||Owner ?||
||Youngest Know in UK.|
|"name"||date built||Wagon||weight ?||power ?||Reg no. ?||Owner ?||
|Machine types Key:||References:|
|SW = Steam Wagon, PE = Ploughing Engine, RR = Road Roller, SM = Showmans, TE = Traction Engine|
- List of Steam Machinery Manufacturers
- Mann’s Patent Steam Cart and Wagon Company
- J&H McLaren & Co.
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