John Deere F912 vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the John Deere F912: 39 HP versus 20 HP (+19 HP, +95%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1987 for the John Deere F912.
- The Kubota F3990 is heavier: 778 kg versus 574 kg for the John Deere F912.
- The Kubota F3990 has the wider mower deck: 60" versus 50".
Full specs comparison
| John Deere F912 | Kubota F3990 | |
|---|---|---|
| Power | 20 HP | 39 HP |
| Production years | 1987–1990 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 3 | 4 |
| Weight | 574 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | 143 cm | 130 cm |
| Length | 216 cm | 251 cm |
| Mower deck | 50" | 60" |
Frequently asked questions
Which is more powerful, the John Deere F912 or the Kubota F3990?
The Kubota F3990 is more powerful than the John Deere F912: 39 HP versus 20 HP (+19 HP, +95%).
Which is more recent, the John Deere F912 or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 1987 for the John Deere F912.
Which is heavier, the John Deere F912 or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 574 kg for the John Deere F912.
Which has the wider mower deck, the John Deere F912 or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 50".

