{"product_id":"3-inch-scale-marshall-s-type-tractor-stock-code-6593","title":"3 inch scale Marshall S-type tractor","description":"\u003cp align=\"left\"\u003eA well-advanced Marshall S-type steam tractor, built to the 3  inch scale Live Steam Models design.\u003c\/p\u003e  \u003cp align=\"left\"\u003eCommercially-built silver soldered copper boiler with original  twice working pressure hydraulic test certificate, 100psi working pressure, feed  by mechanical pump and injector. Cast iron cylinder with piston valve actuated  by Marshall gear, pole reverser, mechanical lubricator.\u003c\/p\u003e  \u003cp align=\"left\"\u003eThis is a four shaft, two speed engine with differential running  on rubber tyres, it has a winch fitted behind the nearside rear wheel.\u003c\/p\u003e  \u003cp align=\"left\"\u003eThe engine runs on air in forward gear, not so keen on reverse.  New and, to date, unsteamed. Complete with a set of drawings and Marshall  transfer for the boiler cleading.\u003c\/p\u003e  \u003cp align=\"left\"\u003eLength 50 inches\u003c\/p\u003e  \u003cp align=\"center\"\u003e\u003c\/p\u003e","brand":"Station Road Steam","offers":[{"title":"Default Title","offer_id":54019792273749,"sku":"6593","price":5950.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/0094\/2677\/files\/6593-1.webp?v=1779907253","url":"https:\/\/stationroadsteam.com\/products\/3-inch-scale-marshall-s-type-tractor-stock-code-6593","provider":"Station Road Steam","version":"1.0","type":"link"}