Precision machined by a skilled machinist from castings in England, in 2003. 875" bores x 1.13" stroke. 16.75 x 9.50'' x. 2.25 tall wood base. 12.6 pounds total weight.Rotates freely with low friction. Runs smooth on 4 psi. You can view engine in operation with air pressure on youtube. The item "Twin Horizontal Steam Engine" is in sale since Saturday, June 27, 2020. This item is in the category "Toys & Hobbies\Models & Kits\Tools, Supplies & Engines". The seller is "handmaderugs1956" and is located in Grosse Pointe, Michigan. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.