World's MOST Powerful Tractor | Case IH Steiger Quadtrac 620

US-made tractor Case IH Steiger/Quadtrac 620 is the world&most powerful tractor at an incredible 692 hp, beating the Porsche 911 GT2 RS in performance. Steiger tractors offer up to 682 peak horsepower — the most in the industry. And with 10 percent Power Growth capabilities built into all our engines, they can handle even more in difficult conditions without compromising performance.