| Model | Horsepower | Year(s) |
|---|---|---|
| JWL-15 | 3 | 1959 |
| JWL-16 | 3 | 1960 |
| JWL-17 | 3 | 1961,1962 |
| JWL-18 | 3 | 1963 |
| JWL-19 | 3 | 1964 |
| JWL-20 | 3 | 1965 |
| JWL-21 | 3 | 1966 |
| JWL-22 | 3 | 1967 |
| JWL-23 | 3 | 1968 |
| K-35 | 6 | 1927 |
| K-40 | 7.15 | 1928 |
| K-45 | 7.15 | 1929 |
| K-50 | 8 | 1930,1931,1932 |
| K-65 | 9.2 | 1933 |
| K-70 | 9.2 | 1934 |
| K-75 | 9.3 | 1935 |
| K-80 | 9.3 | 1936 |
| KA-10 | 9.8 | 1940 |
| KA-37 | 9.3 | 1937 |
| KA-38 | 9.3 | 1938 |