With the Exmark Turf Tracer S-Series, you can choose from four rugged engines including the eco-friendly, Electronic Fuel Injection (EFI), propane Kohler PCV680. Then, match that power to cutting decks in 36-, 48-, and 52-inch widths. In whatever configuration you choose, youll get our patented Enhanced Control System (ECS) for ultimate operator comfort. Which translates to day-long operator productivity.Reach new heights, and widths, in productivity.