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kohler k361 18hp engine

D

d. coleman

Member
can anyone tell me if a crankshaft out of a kohler k341(3.25 inch stroke) will interchange with a kohler k361(3.25 inch stroke)? both engines have balance gears. also read where previous poster said the balance gears could be left out without any noticeable differance. any info will be of help. thanks, d.coleman
 
THE KOHLER 361 AND THE 341 ARE TWO DIFFERENT ANIMALS. THEY BOTH ARE FROM THE K SERIES BUT THE 361 IS AN EXPERENTAL MOTOR WITH OVERHEAD VALVES THAT WAS ONLY MADE FOR A FEW YEARS 1978-1980 .THE BOOK I HAVE SAYS THE COUNTER BALANCE GEARS ARE A DIFFERENT NUMBER AND THE STROKE IS DIFFERENT.PARTS ARE EASIER AND CHEEPER TO GET FOR THE 341 WHICH IS A 16 HORSEPOWER. I HOPE THIS HELPED
 
They aren't very different. OHV, cam profile and rod is all. 'Don't know about the balance gear difference, but if you really want to find out if the cranks interchange, go entirely through Brian Miller's website:
<http://gardentractorpullingtips.com/index.htm> I know that the cam and rods will interchange.
I have a K361 and a K321. The capacity, bore & stroke of the 16 HP K341 and 18HP K361 are the same. They both have rod dippers and splash lube.
The 2 HP difference comes from the OHV and cam. The rockers on the K361 are oiled by the splash and vapor of the common K Series bottom and may be the reason why they are not hotrodded as much as the K341 for pulling.
Tecumseh did the same thing to their cast iron singles in the seventies.
They put an overhead valve head on their 10 and 12 HP flatheads to become OH 14, 16 and 18 HP singles.
They are not much different than the Kohler K361
 
thanks for replies. i got a power king tractor that had been run low on oil and trashed the connecting rod. crank pin looks salvagable. the engine valve seats were"staked" in place with a punch. not sure what corse to follow, rebuild engine or install a alternate engine. being im into antique tractors, i would like to keep it stock. some of the newer v twins look interesting as a modified "POWER KING". thanks again, d.coleman
 
Here's the link that confirms crank interchangeability between K engines:
<http://gardentractorpullingtips.com/balance.htm>
Sorry, moderators won't let me post a real link because they said I'm too new.
 
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