The Ultimate Mowing Experience is about to step up with enhanced comfort and performance designed to deliver the proven results you expect from the Ultima Series™. The Cub Cadet® Ultima Series Z3 54 54-in. 24 HP*/726cc Zero-Turn Lawn Mower with AeroForce™ Fabricated Deck delivers the uncompromised performance, durable strength, and proven results needed to tackle hills and slopes up to 15-degrees. Work in comfort with a high back seat and save time mowing with an Ultima Series™ zero-turn, 25% faster than a tractor**.