| Model | Horsepower | Year(s) |
|---|---|---|
| E55RST | 55 | 1990 |
| E55RSU | 55 | 1981 |
| E55RSV | 55 | 1986 |
| E55RSY | 55 | 1991 |
| E55RSY2 | 55 | 1983 |
| E55RSYA | 55 | 1992 |
| E55RSYB | 55 | 1989 |
| E55RSYF | 55 | 1984 |
| E55RSYG | 55 | 1995 |
| E55RSYK | 55 | 1993 |
| E55RSYN | 55 | 1983 |
| E55RSYP | 55 | 1987 |
| E55RSYQ | 55 | 1985 |
| E55RSYS | 55 | 1994 |
| E55RSYT | 55 | 1990 |
| E55RSYV | 55 | 1986 |
| E55RSYY | 55 | 1991 |
| E55RWCR | 55 | 1984 |
| E55RWLC | 55 | 1989 |
| E55RWLCD | 55 | 1986 |