Kubota F3990 vs Simplicity Yeoman 637
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the Simplicity Yeoman 637: 39 HP versus 7 HP (+32 HP, +457%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1972 for the Simplicity Yeoman 637.
- The Kubota F3990 is heavier: 778 kg versus 121 kg for the Simplicity Yeoman 637.
- The Kubota F3990 has the wider mower deck: 60" versus 32".
Full specs comparison
| Kubota F3990 | Simplicity Yeoman 637 | |
|---|---|---|
| Power | 39 HP | 7 HP |
| Production years | 2014–2024 | 1972 |
| Fuel | Diesel | Gasoline |
| Cylinders | 4 | 1 |
| Weight | 778 kg | 121 kg |
| Drive | 4WD | 2WD |
| Transmission | Hydrostatic | Gear |
| Gears (fwd/rev) | — | 3 / 1 |
| Wheelbase | 130 cm | 92 cm |
| Length | 251 cm | 135 cm |
| Mower deck | 60" | 32" |
Frequently asked questions
Which is more powerful, the Kubota F3990 or the Simplicity Yeoman 637?
The Kubota F3990 is more powerful than the Simplicity Yeoman 637: 39 HP versus 7 HP (+32 HP, +457%).
Which is more recent, the Kubota F3990 or the Simplicity Yeoman 637?
The Kubota F3990 is the more recent model: production started in 2014, versus 1972 for the Simplicity Yeoman 637.
Which is heavier, the Kubota F3990 or the Simplicity Yeoman 637?
The Kubota F3990 is heavier: 778 kg versus 121 kg for the Simplicity Yeoman 637.
Which has the wider mower deck, the Kubota F3990 or the Simplicity Yeoman 637?
The Kubota F3990 has the wider mower deck: 60" versus 32".