| Modello | Cilindrata |
|---|---|
| K9-4 Yanmar | 1.1 l. - 67.1 pollice cubico |
| K9-4 Perkins | 1.1 l. - 67.1 pollice cubico |
| K9-4 Kohler | 0.73 l. - 44.2 pollice cubico |
| K9-3 Robin | 0.62 l. - 38.1 pollice cubico |
| K9-3 Perkins | 0.76 l. - 46.4 pollice cubico |
| K9-3 Kohler | 0.65 l. - 39.8 pollice cubico |