John Deere Z920M vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the John Deere Z920M: 39 HP versus 23 HP (+16 HP, +70%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 2013 for the John Deere Z920M.
- The Kubota F3990 is heavier: 778 kg versus 534 kg for the John Deere Z920M.
- The Kubota F3990 has the wider mower deck: 60" versus 48".
Full specs comparison
| John Deere Z920M | Kubota F3990 | |
|---|---|---|
| Power | 23 HP | 39 HP |
| Production years | 2013–2023 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 2 | 4 |
| Weight | 534 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | — | 130 cm |
| Length | 213 cm | 251 cm |
| Mower deck | 48" | 60" |
Frequently asked questions
Which is more powerful, the John Deere Z920M or the Kubota F3990?
The Kubota F3990 is more powerful than the John Deere Z920M: 39 HP versus 23 HP (+16 HP, +70%).
Which is more recent, the John Deere Z920M or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 2013 for the John Deere Z920M.
Which is heavier, the John Deere Z920M or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 534 kg for the John Deere Z920M.
Which has the wider mower deck, the John Deere Z920M or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 48".

