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Older Briggs & Stratton 18hp considered to upgrade my H3

1394 Views 10 Replies 4 Participants Last post by  shadetree
Hey gang, I've got the opportunity to pick up an older Briggs & Stratton 18HP for a decent price from a fellow, and am considering buying it to repower my H3 so it has more grunt. Then once I take the K321 out, put it in the H1 since THAT motor has a broken rod. Given the condition of the B&S 18 twin, this might be a win-win to have both tractors fully functional.

I've watched several videos about others who have done this with the new stuff, and this interests me.
I'm looking for feedback, hopefully, where others have done this with the older twins. maybe they could share some input of what will be involved.

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You did check all the pages (I believe there are 5) I sent the link for by clicking on next page in the bottom right corner. He kept his clutch by having a driveshaft adapter made.

I have a little formula i keep in Excel that I enter the miles I need to travel, cost of a gallon of gas, and estimated MPG of the vehicle I'm driving. The gas cost often voids the trip.
I've got that book marked too. He did a very good job on his red, white and blue 140. Several others have done well documented repowers for other models.
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