Craftsman FS5500 Mower, Lawn and Garden Tractor

Kohler CV730S-0040

This engine has a 1" x 3-5/32" shaft and was discontinued in 2012. You could use any of the other engines listed here that have the same mounting and shaft size. There may be minor differences like wiring, air breather, throttle and choke controls, however parts would be interchangeable if needed.