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Briggs Booster Fans--Interchange 213460 for 690379


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#1 wvbuzzmaster OFFLINE  

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Posted November 20, 2011 - 03:57 PM

On ebay right now is a booster fan for an older Briggs opposed twin, part 213460. I need booster fan part number 213472 (now part 690379). Only noticable difference is the 213460 is beefier and has a starter/generator groove in it. I have a Craftsman 917.255917 with a Briggs opposed twin 422437-1209-01. I have to buy a new booster fan and the 213460 appeals to me more than the stock booster fan, especially since I have the alternator added to it (stacked another pulley) as well as the stock tractor drive. I don't need the booster fan starter/generator groove, but it is a nice thing to have if I ever need it for something in the future, more or less like how much beefier the 213460 booster fan appears to be. Anyone able to verify that it will fit and fit correctly without hindering the drive/performance. I was once told that Briggs opposed twin booster fans interchange, but the last one did not have the required 1-5/8" backspace (behind the fan blades). Any help out there appreciated.

#2 MH81 ONLINE  

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Posted November 21, 2011 - 09:30 PM

:bump:

Hope Someone has the info for you Casey.

#3 EricFromPa OFFLINE  

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Posted November 22, 2011 - 12:30 PM

Yes is will bolt on fine BUT you Might have to cut 1/2 inch of the blower housing out if the offset is less than 1 5/8 inch.Or shim it out with a spacer.You can modify a couple of the Flywheel retainer rings to use as spacers.
Briggs and Stratton Twin Flywheel Fan Retainer 499603 | eBay

Stock #690379 Note it has an 1 5/8 inch offset.

The engines that used the plastic vane flywheel had a longer offset booster fan than the ones with the cast iron vane flywheel.

Those with the ring gear are off of older single cylinder briggs cast block engines with cast flywheel and older 1st gen twins with points ignition.They were used for a starter generator and in some tractors they were used for hydraulic pumps.

"scratches head" Hmmmmm Buzzz what you thinking about doing?Do I smell a modification to the CAT in the near future?:rolling:

Edited by EricFromPa, November 22, 2011 - 12:56 PM.

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#4 MH81 ONLINE  

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Posted November 22, 2011 - 12:33 PM

"scratches head" Hmmmmm Buzzz what you thinking about doing?Do I smell a modification to the CAT in the near future?:rolling:

I think it's an overdue repair.

#5 EricFromPa OFFLINE  

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Posted November 22, 2011 - 12:44 PM

I would contact the guy selling the 213460 and see if he could possibly measure the offset,just to be on the safe side.

This one has what looks to be the correct offset.
http://www.ebay.com/...=item3f0874487f

But this used one says it's part#690328 but with out a measurement of the offset I wouldn't touch it.
http://www.ebay.com/...=item5646dacafb

I love oppossed twin briggs engines.If I could fit one in my old cub 127 without cutting the whole frame out there would be one in it now.

Edited by EricFromPa, November 22, 2011 - 01:09 PM.

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#6 bhts OFFLINE  

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Posted November 22, 2011 - 01:07 PM

Casey i just had a roper with a briggs come in i will check the offset for you later today.
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#7 wvbuzzmaster OFFLINE  

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Posted November 22, 2011 - 04:24 PM

Eric, The first booster fan looks like the right offset to me and the seller declined all 3 off my offers (2 days ago lol), so I would have to pay full price. I don't touch them without dimensions. I just wanted to understand the knowledge I was missing. Thanks for the help Eric, now I know what to do.

#8 wvbuzzmaster OFFLINE  

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Posted November 22, 2011 - 04:25 PM

Casey i just had a roper with a briggs come in i will check the offset for you later today.

Bob, thanks for letting me know you might have the booster fan I need, let me know if it checks out.

#9 bhts OFFLINE  

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Posted November 22, 2011 - 10:46 PM

Casey got a chance to look during the breaks in rain and the one that just came in was a shallow one.

#10 wvbuzzmaster OFFLINE  

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Posted November 22, 2011 - 11:27 PM

Ok Bob, thanks anyways, off to procrastinate buying one, just bought two Springfield slot hitch implements on ebay tonight, so back to saving money lol.

#11 EricFromPa OFFLINE  

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Posted November 24, 2011 - 07:06 PM

I'm keeping my eye open for a good booster fan for ya Casey.

I know of 1 person that will have one but he's a PITA to deal with.He's a bit lazy and really doesn't know what parts he has and he doesn't let anyone "go look for parts",BUT I should be able to get one for under $20.I'll let ya know in a day or 2.
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#12 wvbuzzmaster OFFLINE  

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Posted November 24, 2011 - 10:39 PM

I'm keeping my eye open for a good booster fan for ya Casey.

I know of 1 person that will have one but he's a PITA to deal with.He's a bit lazy and really doesn't know what parts he has and he doesn't let anyone "go look for parts",BUT I should be able to get one for under $20.I'll let ya know in a day or 2.


Sounds good to me Eric, see what you can find, and remember, that 1-5/8" backspace is critical.




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