List of Hart Parr farm tractor models
| Model | Year | Fuel | |
|---|---|---|---|
| 12-24 | From 1924 Until 1930 | gasoline | |
| 16-30 | From 1924 Until 1926 | gasoline | |
| 17-30 | From 1901 Until 1906 | ||
| 18-36 | From 1926 Until 1930 | gasoline | |
| 20 | From 1920 Until 1924 | gasoline | |
| 20-40 | From 1912 Until 1914 | Hart-Parr | |
| 22-45 | From 1903 Until 1911 | kerosene | |
| 28-50 | From 1927 Until 1930 | gasoline | |
| 28-44 | From 1930 Until 1937 | kerosene | |
| 30 | From 1919 Until 1924 | gasoline | |
| 40 | From 1923 Until 1927 | gasoline | |
| 40-80 | From 1908 Until 1909 | kerosene | |
| 60-100 | From 1911 Until 1912 | ||
| Crop Maker 17-27 | From 1916 Until 1917 | kerosene | |
| Little Devil 25-22 | From 1914 Until 1916 | kerosene | |
| New Hart-Parr | From 1918 Until 1919 | gasoline | |
| Oil King 23-35 | From 1916 Until 1919 | kerosene | |
| Old Reliable 30-60 | From 1907 Until 1918 | kerosene | |
| Row Crop 18-27 | From 1930 Until 1935 | kerosene | |
| Steel King | From 1916 Until 1916 | kerosene |
