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Keck-Gonnerman
| Model | Power | Years |
|---|---|---|
| 12-24 | 13 hp[B] | 1917 - 1918 |
| 15-30 | 16 hp[B] | 1920 - 1927 |
| 18-35 | 38 hp[B] | 1928 - 1937 |
| 25-50 | 55 hp[B] | 1928 - 1937 |
| 30-60 | 66 hp[B] | 1928 - 1937 |