Exmark QZX735GKC48300 Quest X-Series 54" Zero-Turn Mower with Kohler 24HP Engine - Looking for a residential zero-turn mower with commercial features and performance? You’ve found it in the new Quest X-Series. A new armrest-equipped operator seat provides a smooth ride over bumpy lawns, while a deeper floor pan offers increased legroom for the operator. A standard deck step is included to ease mounting and dismounting the machine, while an integrated hitch and tools-free belt shields ease access for service and maintenance. When combined with the incredible maneuverability of the low center of gravity frame design and the smooth rolling of the large drive and caster tires, Quest X-Series offers an unbeatable combination of performance and value.