Yanmar Engine - JH Series
Extremely smooth running. Two transmission possibilities were available – either a Hurth or 7 degree down angle B type. 80% of the parts for this series of engine are inter-changable since all four engines in the series used the same block. This series includes the following engines:
| Engine | HP | Years In Production | Comments |
| 4JH-DTE | 77 | 1985 - 1989 | Turbo Charged |
| 4JH-E | 44 | 1983 - 1989 | |
| 4JH-TE | 55 | 1983 - 1989 | Turbo Charged |
| 4JH-THE | 66 | 1985 - 1989 | Turbo Charged |