Big Bud 16V-747 vs CaseIH Steiger 645 Quadtrac
Side-by-side specs comparison
Verdict by the numbers
- The Big Bud 16V-747 is more powerful than the CaseIH Steiger 645 Quadtrac: 960 HP versus 636 HP (+324 HP, +51%).
- The CaseIH Steiger 645 Quadtrac is the more recent model: production started in 2024, versus 1978 for the Big Bud 16V-747.
Full specs comparison
| Big Bud 16V-747 | CaseIH Steiger 645 Quadtrac | |
|---|---|---|
| Power | 960 HP | 636 HP |
| Production years | 1978 | 2024+ |
| Fuel | Diesel | Diesel |
| Cylinders | 16 | 6 |
| Displacement | 24.1 L | 12.9 L |
| Weight | 43 092 kg | — |
| Drive | 4WD | — |
| Transmission | Power shift | Power shift |
| Gears (fwd/rev) | 6 / 1 | 17 / 2 |
| Rear lift capacity | — | 10 092 kg |
| Wheelbase | 495 cm | — |
| Length | 868 cm | — |
| Cab | Yes | Yes |
Frequently asked questions
Which is more powerful, the Big Bud 16V-747 or the CaseIH Steiger 645 Quadtrac?
The Big Bud 16V-747 is more powerful than the CaseIH Steiger 645 Quadtrac: 960 HP versus 636 HP (+324 HP, +51%).
Which is more recent, the Big Bud 16V-747 or the CaseIH Steiger 645 Quadtrac?
The CaseIH Steiger 645 Quadtrac is the more recent model: production started in 2024, versus 1978 for the Big Bud 16V-747.

