More power. More features. More productivity. With the S-Series, you can choose from eight different engines, including an eco-friendly, Electronic Fuel Injection (EFI), propane option. Four UltraCutâ„¢ Series 4 cutting deck sizes are available with widths up to 72 inches. Want tough, try a 10-guage, formed and continuously seam-welded top and a 7-guage side skits. All with welded spindle mounting sites and full-floating 4-point suspension with four adjustable anti-scalp rollers.