Big Bud 650/50 vs John Deere 9RX 640
Side-by-side specs comparison
Verdict by the numbers
- The Big Bud 650/50 is more powerful than the John Deere 9RX 640: 650 HP versus 631 HP (+19 HP, +3%).
- The John Deere 9RX 640 is the more recent model: production started in 2021, versus 1980 for the Big Bud 650/50.
Full specs comparison
| Big Bud 650/50 | John Deere 9RX 640 | |
|---|---|---|
| Power | 650 HP | 631 HP |
| Production years | 1980–1981 | 2021+ |
| Fuel | Diesel | Diesel |
| Cylinders | 12 | 6 |
| Displacement | 18.1 L | 13.6 L |
| Weight | 27 216 kg | — |
| Drive | 4WD | — |
| Transmission | Power shift | Power shift |
| Gears (fwd/rev) | 9 / 2 | 18 / 6 |
| Rear lift capacity | — | 6 804 kg |
| Wheelbase | 398 cm | — |
| Length | 670 cm | — |
| Cab | Yes | Yes |
Frequently asked questions
Which is more powerful, the Big Bud 650/50 or the John Deere 9RX 640?
The Big Bud 650/50 is more powerful than the John Deere 9RX 640: 650 HP versus 631 HP (+19 HP, +3%).
Which is more recent, the Big Bud 650/50 or the John Deere 9RX 640?
The John Deere 9RX 640 is the more recent model: production started in 2021, versus 1980 for the Big Bud 650/50.