One of the strongest machines in the Wilesco range, the D22 is a formidable live steam engine with a large, 65mm diameter boiler. It is a self-starting two-cylinder steam engine, controlled using a common steam valve. Features Steam shut-off valve Large capacity boiler for powerful output Engine unit mounted on a raised base Self-starting Realistic smoking from chimney Fitted with a built-in line-shaft with five pulleys Blowdown valve for draining boiler Two inspection ladders and running boards Made in Germany, GS marked by TÜV Nord Specification Boiler Capacity 500cc Fuel Wilesco Fuel Gel Runtime Approx. 15 minutes Wilesco Power Output Rating 20 - What does this mean? Kit or Preassembled? Preassembled Drive (mobile only) N/A Colour Scheme Black, Silver and Nickel-plated Weight 2.8kg Flywheel Diameter 80mm Pressure release valve? Yes Whistle? Yes Pressure gauge? Yes Water sight glass? Yes Dummy Governor? No Number of Cylinders Two (double-acting) Included in the box… 1x D22 live steam model steam engine, 1x water filler, 1x sachet of steam oil, 1x Burner Tray suitable for gel, 1x Wilesco Fuel Gel 100ml, manual for safe operation (English included). This product is a detailed live steam model for adult collectors. Not suitable for children under 14 years.