Steam Wagon, one blue, red and white live steam tractor circa 1975. Mamod is a British toy company that was founded in 1937 by Geoffrey Malins. This company produced models that were steam-powered. Some of the models had oscillating cylinders, regulators, or a reversing mechanism. Mr. Malins also produced an engine for the Meccano company. From trains to steam rollers, you can still purchase these models today!