Ariens 901017 Tiller Category
Original Model: Tecumseh HM80-155656T
This engine has a 1" x 2-29/32" shaft and a secondary PTO shaft to run reverse. You can use any of the single shaft engines listed here and do away with reverse (or) you can use your side cover and cam shaft of your old engine to make the new engine have two shafts so you will be able to utilize reverse.
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While we may have sold many engines listed above to be used for a Ariens 901017 Tiller Category, we are NOT claiming these are exact replacements unless the product notes explicitly say so. Many original equipment engines may no longer be in production because of obsolescence or EPA regulations, so in some cases there may not be an exact replacement available. Our intention here is to show that other customers have utilized these in the equipment shown, but may have had to make some modifications to do so. If we know of any required changes, we will list those, however, some adapting during installation should be expected.