| Modello | Cilindrata |
|---|---|
| WF600T-1 | 15.2 l. - 927.6 pollice cubico |
| WF550T-3 | 15.2 l. - 927.6 pollice cubico |
| WF550-3 | 15.2 l. - 927.6 pollice cubico |
| WF450T-3 | 11 l. - 673.7 pollice cubico |
| WF450T-1 | 11 l. - 673.7 pollice cubico |
| WF450-3 | 11 l. - 673.7 pollice cubico |
| WF22T-2 | 12.2 l. - 743 pollice cubico |
| WF22A-2 | 12.2 l. - 743 pollice cubico |