Mantua carries approximately 100 items in HO scale. They manufacture die cast steam locomotives, tender’s diesel engines and rolling stock. Each steam engine includes a certificate of authenticity and a lifetime guarantee. Mantua is located in Edison, NJ and has been in business since 1926. Mantua is one of the oldest HO model railroad brands in the hobby. Primarily focused on steam engines, the premium line of locomotives and rolling stock has over 30 unique engine prototypes. Most engines are made with heavy die-cast metal boilers, chassis, cylinders, driver wheels, and trucks. As well as a great deal of brass and metal mechanical and detail parts. With Model Power's acquisition of Mantua in the early 2000's.