John Deere Z520A vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the John Deere Z520A: 39 HP versus 25 HP (+14 HP, +56%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 2008 for the John Deere Z520A.
- The Kubota F3990 is heavier: 778 kg versus 498 kg for the John Deere Z520A.
- The Kubota F3990 has the wider mower deck: 60" versus 54".
Full specs comparison
| John Deere Z520A | Kubota F3990 | |
|---|---|---|
| Power | 25 HP | 39 HP |
| Production years | 2008–2009 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 2 | 4 |
| Weight | 498 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | Hydrostatic | Hydrostatic |
| Wheelbase | 134 cm | 130 cm |
| Length | 208 cm | 251 cm |
| Mower deck | 54" | 60" |
Frequently asked questions
Which is more powerful, the John Deere Z520A or the Kubota F3990?
The Kubota F3990 is more powerful than the John Deere Z520A: 39 HP versus 25 HP (+14 HP, +56%).
Which is more recent, the John Deere Z520A or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 2008 for the John Deere Z520A.
Which is heavier, the John Deere Z520A or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 498 kg for the John Deere Z520A.
Which has the wider mower deck, the John Deere Z520A or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 54".

