Ariens 901005 Tiller Category
Original Model: H50-653971
The original engine has two shafts on it. The shafts sizes are 3/4" x 2-5/16" and the pto to run reverse is 5/8" x 1". This series of Tecumseh engine is no longer available. If you are willing to give up reverse on your tiller the OHV engines listed here would work for you.
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While we may have sold many engines listed above to be used for a Ariens 901005 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.