Originally Posted by StretchTTU
Not sure if this was answered in the pages of this thread, but you can get just an attachment without a shaft from your Stihl dealer.
You need to check with your dealer about it. None in my area will sell you just the gearbox anymore. They, as well as the Stihl rep at our open house, all told me that the only way they get them in now is with the kombi shaft attached since their cost is the same either way and it doesn't make sense to stock both.