Abstract: This invention resides in a log splitter attachment for garden tiller, a unique bearing arrangement for same, and the combination of a garden tiller and such an attachment. The attachment includes a rigid ground engaging base frame having means thereon to support the tiller tine shaft of a garden tiller and a log to be split. Preferably the base frame will also support the garden tiller itself when used with the log splitter attachment. An auger is provided and is mounted on a shaft adapted to slip over one end of the tiller tine shaft. The auger shaft is secured to the tiller tine shaft and supported in a bearing member which is affixed to the base frame. The other end of the tine shaft is engaged within a spacer located in a corresponding bearing member and the spacer is attached to the tine shaft.