John Deere X300R vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the John Deere X300R: 39 HP versus 17 HP (+22 HP, +129%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 2007 for the John Deere X300R.
- The Kubota F3990 is heavier: 778 kg versus 319 kg for the John Deere X300R.
- The Kubota F3990 has the wider mower deck: 60" versus 42".
Full specs comparison
| John Deere X300R | Kubota F3990 | |
|---|---|---|
| Power | 17 HP | 39 HP |
| Production years | 2007–2015 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 2 | 4 |
| Weight | 319 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | 125 cm | 130 cm |
| Length | 251 cm | 251 cm |
| Mower deck | 42" | 60" |
Frequently asked questions
Which is more powerful, the John Deere X300R or the Kubota F3990?
The Kubota F3990 is more powerful than the John Deere X300R: 39 HP versus 17 HP (+22 HP, +129%).
Which is more recent, the John Deere X300R or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 2007 for the John Deere X300R.
Which is heavier, the John Deere X300R or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 319 kg for the John Deere X300R.
Which has the wider mower deck, the John Deere X300R or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 42".

