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  #1  
Old 04-23-2015, 02:36 AM
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Userj8670 Userj8670 is offline
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Default 16 hp in 147 frame

Here's a question for the gurus...on ebay most recently there was a guy that had a 126 tractor with a 147 frame and 16hp Kohler in it from a 1650 - I thought these big 16's wouldn't fit due to the flywheel in a 147 frame? Either way (despite it was set for pulling) I think that is the bees knees! Big 16hp bigblock in a narrow frame with a manual tranny!
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Old 04-23-2015, 02:40 AM
J-Mech J-Mech is offline
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IF you are not going to be running the engine under severe load (blowing snow) you can run the small flywheel and cover and set a "big block" into the NF tractors. Pulling it is fine. Plowing it would most likely be fine.
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Old 04-23-2015, 07:25 AM
cadzag72 cadzag72 is offline
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Also the 147 frame notch allows for the big flywheel.
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Old 04-23-2015, 07:32 AM
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I did that style conversion back in the early 80's. you do need to do a bit of fab work its not just a drop in. when you have the ring gear starter the tin around the flywheel is a bit larger for the flywheel ring gear, most of the work is done but you do have a little work to do in that area. its also a little difficult to wiggle the motor is . if you go with a flat pan it makes it allot easier.
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Old 04-23-2015, 09:45 AM
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Quote:
Originally Posted by Userj8670 View Post
Here's a question for the gurus...on ebay most recently there was a guy that had a 126 tractor with a 147 frame and 16hp Kohler in it from a 1650 - I thought these big 16's wouldn't fit due to the flywheel in a 147 frame? Either way (despite it was set for pulling) I think that is the bees knees! Big 16hp bigblock in a narrow frame with a manual tranny!
I like the way you think, Userj8670! I started out with the idea of putting a 16hp in a gear drive (108, actually). I didn't want to deal with the different PTO and starter situation on the QL engines, so I settled for a 14hp out of a 147 and transplanted that into a 108. It's the red one in my avatar now--a "148R." I think your idea is great, but you might want to look for a 14hp with the same PTO/starter arrangement as used on the NFs so you don't have as many mods to get it working--throttle, choke, electric for the PTO, etc.
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Old 04-23-2015, 12:38 PM
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Quote:
Originally Posted by J-Mech View Post
IF you are not going to be running the engine under severe load (blowing snow) you can run the small flywheel and cover and set a "big block" into the NF tractors. Pulling it is fine. Plowing it would most likely be fine.
Jon- could you elaborate a bit regarding the small flywheel and cover - not sure I follow sir. Also what would blowing snow have to do with the engine? I'm trying to look at the bigger pic...I am lol!
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Old 04-23-2015, 01:18 PM
DirtRodHillJack DirtRodHillJack is offline
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I'm assuming he means that runnig a smaller flywheel (integral fan) and shroud means less airflow across the fins which then means high chance for overheat under sustained high-load conditions such as mowing/blowing snow at WOT.
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Old 04-23-2015, 01:21 PM
R Bedell R Bedell is offline
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I'm assuming he means that runnig a smaller flywheel and shroud means less airflow across the fins which then means high chance for overheat under sustained high-load conditions such as mowing/blowing snow at WOT.
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This would be correct. I am not a fan of down sizing the flywheel/fan.
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Old 04-23-2015, 01:37 PM
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So the 16hp flywheel will not fit in the 147 frame then if I understand correctly? Assume u would then have to use one from a k321 14hp?
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Old 04-23-2015, 02:35 PM
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Quote:
Originally Posted by Userj8670 View Post
Here's a question for the gurus...on ebay most recently there was a guy that had a 126 tractor with a 147 frame and 16hp Kohler in it from a 1650 - I thought these big 16's wouldn't fit due to the flywheel in a 147 frame? Either way (despite it was set for pulling) I think that is the bees knees! Big 16hp bigblock in a narrow frame with a manual tranny!
Is it a K series? It must not be because the K series engines (I think 10-16 or 12-16) has the same block, just different bore and carb. I also have a wheel horse that had a k301 and I put on a k341 and it was the same block size. If it isn't a K series then disregard my comment.
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