Aultman & Taylor Farm tractors by year
Aultman & Taylor was created in 1865 by Cornelius Aultman and H.H. Taylor. Aultman & Taylor build a variety of machinery, including saw mills, steam engines, and threshing machines in their Ohio factory. Their first gasoline tractor was created in 1910. In 1924, Aultman & Taylor was purchased by Advance Rumely.
Company history - portion of an article from Steam Traction magazine
| Model | Power | Years |
| 30-60 | 89 hp[B] | 1911 - 1924 |
| 18-36 | 40 hp[B] | 1915 - 1918 |
| 25-50 | 55 hp[B] | 1915 - 1918 |
| 22-45 | 50 hp[B] | 1918 - 1923 |
| 15-30 | 33 hp[P] | 1919 - 1923 |
[B]: Engine power estimated from belt horsepower. [P]: Engine power estimated from PTO horsepower. See individual tractor data listing for power details.