The Pro-Z 972 SD Zero Turn is simply the strongest and best commercial-grade mower you can buy. With dual rear wheels, weighted front wheels and four-wheel steering the Pro-Z 972 SD will safely mow on slopes up to 25 degrees. A huge 72 Inch fabricated steel cutting deck and strong 35HP Kawasaki V-Twin adds unmatched speed and productivity to the package. The Pro-Z 972 SD is the only choice for professional contractors who demand strength, reliability, productivity, and extreme hillside mowing capability.