The best replacement for tiller is cultivator.

The best alternatives to tiller are rated as following:
★★★★★  cultivator
★★★  console
★★★  wheel
★★★  disc
★★  plow
★★  wheel steering
★  aerator
★  side console
★  sod cutter
★  rear tine tiller
  rotavator
  disc harrow
  rear tiller
  center console
  front tine tiller
  wheel sailboat
  harrow
  forward tiller
  honda tiller
  rooter
  gas tiller
  steer
  rear tine
  wheel sailboats
  mantis
  rudder
  remote
  disk
  rotovator
  rototiller
  helm

Your alternative for tiller is not listed? Suggest!
Speaking about tiller, one probably shouldn't forget about row maker.

Other search terms related to tiller and their ratings are:
★★★★★ row maker
You have in mind a companion for tiller and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tiller in all years. Click on graph for more.
tiller
cultivator
console