Cub Cadet® Ultima Series ZTXS4 Zero-Turn Lawn Mower with AeroForce™ Max Reinforced Fabricated Deck and Synchro-Steer™ Technology is designed to deliver a premium cut with few clumps and stragglers, fine clippings and evenness. Features 10-gauge reinforced fabricated steel with low maintenance spindles, smooth arc triple-blades, cut overlap and deep dome deck design allowing you to mow a wide area of grass. Synchro-Steer offers 4-wheel control designed to provide stability for straight line mowing on hillsides and slopes up to 20-degrees.