Billing Boats Smit Rotterdam Tug Kit. New model with a slightly damaged box and opened pieces, but the majority is sealed. Requires paints and glue to assemble - not included. Smit Rotterdam was built in 1975 for Smit International BV in Holland, and was at the time of its completion the largest and most powerful tugboat in the world - with a tonnage of 2,273 tons, a length of 75 m, a 22,000 HP engine and a top speed of 16.5 knots. The Billing Boats kit of the Smit Rotterdam features plank on frame construction, laser cut plywood keel and frame components, lasercut wooden superstructure and decks, hull and deck fittings in wood, brass and/or plastic, rigging cord in various sizes, propshaft, rudder and propeller.