Yamaha Lawn tractors by year
Japanese manufacturer Yamaha built lawn tractor and lawn mowers in the late 1980s. Founded in 1955, Yamaha has a long history with small engines in a variety of power sports applications. Yamaha began building lawn tractors in 1988 to extend its line of outdoor power equipment. Yamaha lawn tractor production ended by the early 1990s.
Yamaha - official site
| Model | Power | Mower Deck | Years |
| YT3600 | 12 hp | 38" deck | 1988 - 1992 |
| YT6800 | 18 hp | 48" deck | 1989 - 1992 |
| YT5700 | 16 hp | 42" deck | 1990 - 1991 |
| YT6700 | 18 hp | 42" deck | 1990 - 1992 |