The MS is the original design of the Walker; built to be compact and manoeuvrable. It uses a smaller engine and simplified drive train and shares most of the features of the high-performance models. The S14 is new for 2014, and it represents a significant change in the Walker line. The nimble S14 uses Hydro-Gear® ZT3100 transaxles and a 12.5″ grass handling blower that delivers cut material into the 7-bushel catcher. Decks up to 42 inches can be used on the S14, and a variety of implements and attachments are available. The S14 is a great machine for homeowners and large property owners.