starts earthquake scotts viper garden cultivator troy-bilt garden cultivator electric mini cultivator troy-bilt pony versa front tine tiller 99cc viper engine converts from tiller to cultivator quickly and without tools gear drive transmission earthquake unraktowered viper engines more troy-bilt 16" rear tine tiller 12" forward rotating bolo tines bronze gear drive transmission earthquake victory rear tine tiller 212cc viper 4-cycle engine stable and maneuverable between rows and in rocky soil all steel construction no shifting necessary-use the reverse lever and walk backwards to turn power reverse 13" ag tires adjustable tilling depth up to 7"