im hoping that someone may be able to help with this question i have a toro model 20018 it ran great till about a week ago the self propel quit working on it i tore it apart and replaced the belt the bearing in the transmission and replaced the pinion the gears were chewed up on this i replaced the cable that engages the transmission as well after greasing and reassembly it barely moves when engaged the cable is set tight any help is greatly appreciated