Wilesco D375 Steamroller Green KitWilesco D 375 fully operational steamroller in kit form, for the enthusiast. Mirror polished and nickel plated boiler, diameter 1. 8", length 7. 3", boiler capacity 14 in, with water gauge glass. Double action reversible brass cylinder, with flywheel, spring loaded safety valve, steam regulator, steam whistle, steam jet oiler and footbridge. Smoke stack, traditional steering wheel chain drive. Flywheel with a diameter of 3. 2" with grooved pulley.