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Reload this Page Re-Power 70,100 or any narrow frame from Kohler to Briggs V Twin
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  #1  
Old 12-10-2020, 10:23 AM
RexHG RexHG is offline
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Join Date: Dec 2020
Location: Pennsylvania
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Lightbulb Re-Power 70,100 or any narrow frame from Kohler to Briggs V Twin
Hi everyone.

First time post, hopefully I'm doing this right.

I have an 18 HP Briggs and Stratton Vanguard I just finished rebuilding and I was thinking it would be nice to put in a 100 I have or possibly a 124 I'm looking at.

Do I need any special adapter to hook up the drive line?

I know I'll have to notch the frame for clearance but was curious if anyone has done a similar swap to see what I'm getting into.

Thank you
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  #2  
Old 12-10-2020, 10:29 AM
R Bedell R Bedell is offline
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First, welcome to OCC..........

Quote:
Do I need any special adapter to hook up the drive line?
I think you can take that to the bank.
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[B]Roland Bedell[/B]

CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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Old 12-10-2020, 10:45 AM
RexHG RexHG is offline
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Thanks for the warm welcome.

So is there any adapter needed for this swap? or does the adapter off of the Kohler bolt on?
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Old 12-10-2020, 10:47 AM
R Bedell R Bedell is offline
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It will have to be custom fabricated as well as most of your retrofit.

You can check with Sponsor and Machinist "Parts by Jeff" for your fabrication needs.
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[B]Roland Bedell[/B]

CC Models: 100, 105, 1450, 782, (2) 784, & 2072

[SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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Old 12-10-2020, 12:00 PM
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Cubcadet_107 Cubcadet_107 is offline
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Will definitely have to notch the frame, probably custom mounts for the engine, and custom adapter. In theory that should be all. The IH Cub Cadet 147 was frame notched for the 14hp Kohler.

IMHO a wide frame Cub would be best for this sort of mod because the frame is already a lot wider, though it would still be interesting to see if this works in a Narrow Frame.
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub

105 x2 (parts)
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  #6  
Old 12-10-2020, 01:24 PM
RexHG RexHG is offline
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My Grandfather actually had a 147 I used to mow with so I'm very familiar with that frame modification.

I have my eye on a 124 that I may do this to then put the 12 HP into the 100 as I always thought that the 10 HP was under-powered as I had to run full throttle just to mow grass.


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Old 12-10-2020, 01:44 PM
longislandcubs longislandcubs is offline
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Welcome...good luck with your projects... This forum has been the best source for advice and help I have ever experienced.
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129, 124
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  #8  
Old 12-10-2020, 02:39 PM
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Cubcadet_107 Cubcadet_107 is offline
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Quote:
Originally Posted by RexHG View Post
then put the 12 HP into the 100 as I always thought that the 10 HP was under-powered as I had to run full throttle just to mow grass.
In my opinion the 10hp engine is plenty of power to mow grass, you should be mowing at wide open throttle anyway because it's a splash-lubricated air-cooled engine. Faster it spins, the better oiled and the better cooled it is. IIRC the cooling issue is more prominent on the opposed-twin Onan engines than the Kohler K series but can still be an issue.

My 106's 10hp engine has no trouble with power at all. The only limiting factor is traction
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'70 107 with k301 engine swap
'71 106 with 38" deck
'70 147R with factory replacement k321, 42" deck
'61 Original with 38" timed deck
'63 70 "pinkie"
1863 with 54" deck
'46 Farmall H, '50 Farmall Cub

105 x2 (parts)
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  #9  
Old 12-10-2020, 05:37 PM
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drglinski drglinski is offline
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Sorry, but why? What's wrong with the OG Kohler engine? The K series were great motors. I guess I just don't get the fascination for repowers. Whatever you want to do is up to you obviously.
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(May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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  #10  
Old 12-10-2020, 06:29 PM
finsruskw finsruskw is offline
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You are supposed to run WOT to mow grass!
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