Toro 312-H Mower, Lawn and Garden Tractor Category
Original Model: Kohler Magnum M12
One of the original specs was 471527 which is no longer available. You could use one of the Magnum engines listed here, but you will probably have to change minor things from your engine.
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While we may have sold many engines listed above to be used for a Toro 312-H Mower, Lawn and Garden Tractor 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.