Allis Chalmers B-1 vs Kubota F3990
Side-by-side specs comparison
Verdict by the numbers
- The Kubota F3990 is more powerful than the Allis Chalmers B-1: 39 HP versus 7 HP (+32 HP, +457%).
- The Kubota F3990 is the more recent model: production started in 2014, versus 1961 for the Allis Chalmers B-1.
- The Kubota F3990 is heavier: 778 kg versus 272 kg for the Allis Chalmers B-1.
- The Kubota F3990 has the wider mower deck: 60" versus 42".
Full specs comparison
| Allis Chalmers B-1 | Kubota F3990 | |
|---|---|---|
| Power | 7 HP | 39 HP |
| Production years | 1961–1963 | 2014–2024 |
| Fuel | Gasoline | Diesel |
| Cylinders | 1 | 4 |
| Weight | 272 kg | 778 kg |
| Drive | 2WD | 4WD |
| Transmission | Gear | Hydrostatic |
| Gears (fwd/rev) | 3 / 1 | — |
| Wheelbase | 111 cm | 130 cm |
| Length | 172 cm | 251 cm |
| Mower deck | 42" | 60" |
Frequently asked questions
Which is more powerful, the Allis Chalmers B-1 or the Kubota F3990?
The Kubota F3990 is more powerful than the Allis Chalmers B-1: 39 HP versus 7 HP (+32 HP, +457%).
Which is more recent, the Allis Chalmers B-1 or the Kubota F3990?
The Kubota F3990 is the more recent model: production started in 2014, versus 1961 for the Allis Chalmers B-1.
Which is heavier, the Allis Chalmers B-1 or the Kubota F3990?
The Kubota F3990 is heavier: 778 kg versus 272 kg for the Allis Chalmers B-1.
Which has the wider mower deck, the Allis Chalmers B-1 or the Kubota F3990?
The Kubota F3990 has the wider mower deck: 60" versus 42".