Rosenbauer Trio made between 1936-1938: In line with a patent from Leipzig, the 3-wheeler, which was manufactured entirely in-house, was produced in innumerable versions for both retail and commercial purposes. Powered by a 324 ccm, 10 hp Rosenbauer single-cylinder, 2-stroke engine, the 3-gear vehicle had a top speed of 50 khp. With a dead weight of 370 kg, the vehicle could have a maximum weight of 1.090 kg.