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bigdog46

Kohler Magnum Twin Horsepower Ratings

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bigdog46

I have converted 4 Kohler vertical shaft magnum twin engines to horizontal shaft for use on Simplicity Sovereign tractors so far. I am curious as to the horsepower ratings on these vertical shaft twin engines. One of them was marked 18 hp, two were marked 17 hp and one was marked 16 hp. I thought the smallest horsepower Kohler magnum twin engine was 18 hp. Can anyone explain this? Thanks.

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GregB

I recently picked up a 18hp magnum from a guy who was into Gravelys.

Their Kohler Magnum twins were rated at 16hp. He said it is the same engine as the 18hp, but gravely's where run at a lower RPM. 3200 not 3600.

Took his word for it, did not follow up on a spec number, parts list chase. Some Cubs also had a 14hp rating, not sure what that was about..............sm00

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