Bolens 21HD vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the Bolens 21HD: 39 HP versus 6 HP (+33 HP, +550%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1957 for the Bolens 21HD.
- The Kubota F3990 is heavier: 778 kg versus 208 kg for the Bolens 21HD.
- The Kubota F3990 has the wider mower deck: 60" versus 36".
Full specs comparison
| Bolens 21HD | Kubota F3990 | |
|---|---|---|
| Power | 6 HP | 39 HP |
| Production years | 1957 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 1 | 4 |
| Weight | 208 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | CVT | Hydrostatic |
| Gears (fwd/rev) | 6 / 1 | — |
| Wheelbase | 105 cm | 130 cm |
| Length | 156 cm | 251 cm |
| Mower deck | 36" | 60" |
Frequently asked questions
Which is more powerful, the Bolens 21HD or the Kubota F3990?
The Kubota F3990 is more powerful than the Bolens 21HD: 39 HP versus 6 HP (+33 HP, +550%).
Which is more recent, the Bolens 21HD or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 1957 for the Bolens 21HD.
Which is heavier, the Bolens 21HD or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 208 kg for the Bolens 21HD.
Which has the wider mower deck, the Bolens 21HD or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 36".