Leader Tractors
The Leader tractor brand was used in the US by several different companies from 1913 to 1949. The Leader Engine Company acquired Midland Tractor and produced tractors in Michigan in 1913. Leader, along with other firms, merged with Dayton Foundry
Leader Tractors
| Leader 9-15 | Power: 16 hp | Date of manufacture : 0000 - 0000 |
| Leader 12-18 | Power: 20 hp | Date of manufacture : 1913 - 1915 |
| Leader 15-25 | Power: 27 hp | Date of manufacture : 0000 - 0000 |
| Leader 25-40 | Power: 44 hp | Date of manufacture : 1916 - 1920 |
| Leader C 18-36 | Power: 40 hp | Date of manufacture : 0000 - 0000 |
| Leader D 25-40 | Power: 44 hp | Date of manufacture : 0000 - 0000 |
| Leader GU 16-32 | Power: 35 hp | Date of manufacture : 1920 - 1923 |
| Leader N 16-32 | Power: 35 hp | Date of manufacture : 1919 - 1924 |