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What engine do these pistons fit?


 
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C.Amick
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PostPosted: Sun Dec 16, 2018 6:17 pm    Post subject: What engine do these pistons fit? Reply to specific post Reply with quote

They are 3.25" in diameter. The box says Minneapolis Moline. I think they are for a Wisconsin engine. They have a vertical and horizontal slot on one side.





 
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Bob
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PostPosted: Sun Dec 16, 2018 7:27 pm    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

I believe your hunch may be correct.

VF4 and VF4D Wisconsin engines have a 3.25" bore.
 
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Bob
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PostPosted: Mon Dec 17, 2018 5:48 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Also, "THD" twin cylinder, and a couple of older twins are 3.25" bore, as well.
Wisconsin bore and stroke data

 
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Duner Wi
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PostPosted: Mon Dec 17, 2018 6:29 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

I don't think they will work in "even fire" VH4 as the skirt is too long and will hit the crank counter weights even if the bore is the same and some other parts interchange.
 
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C.Amick
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PostPosted: Mon Dec 17, 2018 10:35 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Thanks for the information. I have a 2 cylinder Wisconsin Engine on a New Holland Super 66 baler. I wonder if the pistons will fit it. Is there a model number tag on the motor somewhere?
 
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Bob
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PostPosted: Mon Dec 17, 2018 11:13 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Typically, there's a pretty good sized Wisconsin ID tag riveted to the cooling air shrouding.
 
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Bob
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PostPosted: Tue Dec 18, 2018 9:06 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

CVPost-Bob wrote:
(quoted from post at 22:27:44 12/16/1Cool I believe your hunch may be correct.

VF4 and VF4D Wisconsin engines have a 3.25" bore.


CORRECTION... that statement is INCORRECT.

I mixed up bore and stroke... those engines are 3" BORE, 3.25" stroke, details can be seen in the link I posted previously.

SORRY about that!
 
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C.Amick
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PostPosted: Tue Dec 18, 2018 10:33 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Thanks,
 
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Duner Wi
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PostPosted: Tue Dec 18, 2018 7:43 pm    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Bob, VE4 has 3 inch bore, VF4 and VH4 have 3 1/4" bore,
The chart has an error. I have all three and had them apart one time or another.
 
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Bob
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PostPosted: Wed Dec 19, 2018 9:34 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

CVPost-Duner Wi wrote:
(quoted from post at 22:43:21 12/18/1Cool Bob, VE4 has 3 inch bore, VF4 and VH4 have 3 1/4" bore,
The chart has an error. I have all three and had them apart one time or another.


DUNER, thanks for the correction to my "correction".

I got the first (correct) info from the http://www.wiengines.com/ site, then paid too much attention to the "incorrect" ASECC info.

I should have known better, as I have done my time working on those engines, as well, but I guess it's been 35 years since I "put a wrench" to one of the V-4's.
 
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rmoulds
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PostPosted: Wed Mar 13, 2019 7:24 am    Post subject: Re: What engine do these pistons fit? Reply to specific post Reply with quote

Did you ever figure out what engine those pistons fit? If the skirt or piston height is 3 3/8 I believe it fits a VF4 Wisconsin and I am looking for one standard piston (the four ring version). On the inside of the piston does it have a number. My piston has DB-190.
 
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