Kubota F3990 vs Yamaha lawn tractors YT6800
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the Yamaha lawn tractors YT6800: 39 HP versus 18 HP (+21 HP, +117%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1989 for the Yamaha lawn tractors YT6800.
- The Kubota F3990 is heavier: 778 kg versus 244 kg for the Yamaha lawn tractors YT6800.
- The Kubota F3990 has the wider mower deck: 60" versus 48".
Full specs comparison
| Kubota F3990 | Yamaha lawn tractors YT6800 | |
|---|---|---|
| Power | 39 HP | 18 HP |
| Production years | 2014–2024 | 1989–1992 |
| Fuel | Diesel | Gasoline |
| Cylinders | 4 | 2 |
| Weight | 778 kg | 244 kg |
| Drive | 4WD | 2WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | 130 cm | 117 cm |
| Length | 251 cm | 175 cm |
| Mower deck | 60" | 48" |
Frequently asked questions
Which is more powerful, the Kubota F3990 or the Yamaha lawn tractors YT6800?
The Kubota F3990 is more powerful than the Yamaha lawn tractors YT6800: 39 HP versus 18 HP (+21 HP, +117%).
Which is more recent, the Kubota F3990 or the Yamaha lawn tractors YT6800?
The Kubota F3990 is the more recent model: production started in 2014, versus 1989 for the Yamaha lawn tractors YT6800.
Which is heavier, the Kubota F3990 or the Yamaha lawn tractors YT6800?
The Kubota F3990 is heavier: 778 kg versus 244 kg for the Yamaha lawn tractors YT6800.
Which has the wider mower deck, the Kubota F3990 or the Yamaha lawn tractors YT6800?
The Kubota F3990 has the wider mower deck: 60" versus 48".

