{"product_id":"3-inch-scale-wallis-simplicity-steamroller-stock-code-3724","title":"3 inch scale Wallis \u0026 Simplicity steamroller","description":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto\"\u003eA  3 inch scale Wallis \u0026amp; Steevens “Simplicity” roller, built to the Plastow  design. A diminutive engine in full size, weighing in at under three tons,  it's truly pocket-sized at a quarter scale and fits easily into the average  size hatchback.\u003c\/p\u003e  \u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto\"\u003eThis  is a particularly well-made engine, from the same builder as the super \u003ca href=\"file:\/\/\/C:\/SRS%20website\/stock%20pages\/3725\/index.htm\" target=\"_blank\"\u003e3  inch scale Marshall traction engine\u003c\/a\u003e I've recently sold. As with the  Marshall, sound engineering throughout and lots of practical detail touches -\u003cspan style=\"mso-spacerun: yes\"\u003e  \u003c\/span\u003ethe piston has a PTFE ring, making it the freeest-running one of these  I've driven, the rear rolls are rubber covered which is almost unnoticeable at  first glance yet makes the engine so much nicer to drive on a hard surface.\u003c\/p\u003e  \u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto\"\u003eCopper  boiler, working pressure 80psi, feed by mechanical pump with auxiliary hand pump  on belly tank. Twin safety valves, water gauge with protector and blowdown.  Boiler blowdown valve beneath belly tanks. Single cylinder with slide valve  actuated by Stephenson's valve gear with pole reverser in cab. Single road speed  engaged by pin on the right hand hornplate, as per prototype.\u003c\/p\u003e  \u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt:auto;mso-margin-bottom-alt:auto\"\u003eThe  engine comes complete with spark arrester, a set of firing irons and a  comfortable driving truck – it would make an ideal beginner's outfit.\u003c\/p\u003e    \u003cp\u003eLength 36 inches\u003cbr\u003e  Height 26 inches\u003cbr\u003e  Width 15 inches    \u003c\/p\u003e\u003cp\u003eTrailer\u003cbr\u003e  Length 20 inches\u003cbr\u003e  Height 20 inches    \u003c\/p\u003e\u003cp align=\"center\"\u003e\u003c\/p\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54019156377941,"sku":"3724","price":3950.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/3724-1.webp?v=1779902345","url":"https:\/\/stationroadsteam.com\/products\/3-inch-scale-wallis-simplicity-steamroller-stock-code-3724","provider":"Station Road Steam","version":"1.0","type":"link"}