Category: Mowers – Zero Turn. Make: Ferris Mowers. Model: ISX800. Drive: 2WD. HP: 27. The ISX 800 is engineered to increase efficiency and comfort. Combining next-generation Ferris technology, ForeFront Suspension with the iCD+ Cutting System, means a smoother ride and improved cut. This unit is powered by a 27HP Briggs & Stratton CXi Engine and is equipped with a 52″ iCD+ Deck and Cast Aluminum Greasable Spindles. It features the ForeFront Suspension System and Hydro Gear ZT3400 Trasaxles. The mower includes 23″ Rear Tires, allowing for speeds of Upto 10mph.