| Model | Horsepower | Year(s) |
|---|---|---|
| OBF4A | ELEC | 1989,1990 |
| OBFL2TA | ELEC | 1989,1990 |
| OBFL4A | ELEC | 1989,1990 |
| OBHL4A | ELEC | 1989,1990 |
| TH2K | ELEC | 1990 |
| TH2TK | ELEC | 1991,1993,1992 |
| TH2TS | ELEC | 1994,1995,1996 |
| TH2TSS | ELEC | 1996 |
| TH4TK | ELEC | 1993,1992,1991,1990 |
| TH4TS | ELEC | 1994,1995,1996 |