A.D. Baker was born in Ohio in 1861 and around the turn of the century he produced his first steam traction engine. These included many innovative features and were instantly recognizable in their bright blue and silver livery. Sensing the growing interest in tractors, but not fully anticipating the appeal of liquid fuels, Baker built a range of steam-powered "tractors" for many years, Eventually, however, he followed other gas tractor pioneers and produced a series of powerful and well-respected machines. These tractors were consistently under-rated, and at the Nebraska tests in 1929 the 25-50 model actually produced 43hp on the drawbar and 67hp on the belt!

(Click on images below to enlarge)

Baker 25-50 (serial no. G29156, built 1929) at the Dome Valley Museum, Yuma, Arizona, USA in 2005.