| Model | Horsepower | Year(s) |
|---|---|---|
| QDL-18 | 10 | 1957 |
| QDL-19 | 10 | 1958 |
| QDL-20 | 10 | 1959 |
| QDL-21 | 10 | 1960 |
| QDL-22 | 10 | 1961 |
| QDL-23 | 10 | 1962 |
| QDL-24 | 10 | 1963 |
| R55RSH | 55 | 1988 |
| R55RSLH | 55 | 1988 |
| R55RSYH | 55 | 1988 |
| R55RWLR | 55 | 1988 |
| RD-10 | 25 | 1951 |
| RD-11 | 25 | 1951 |
| RD-12 | 25 | 1952 |
| RD-13 | 25 | 1952 |
| RD-14 | 25 | 1953 |
| RD-15 | 25 | 1953,1954 |
| RD-15A | 25 | 1953,1954 |
| RD-16 | 25 | 1954 |
| RD-17 | 25 | 1955 |