Author Topic: peerless 820 transaxle  (Read 315 times)

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Offline VICTORVIKING 713

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peerless 820 transaxle
« on: March 29, 2021, 09:30:48 pm »
So I'm planning on putting a 820 in my viking/murray but I need a long shift shaft for it, can someone send me a part number or can i take the long shift shaft out of my spicer and put it in an 820?

Offline BIG AL 202

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Re: peerless 820 transaxle
« Reply #1 on: March 30, 2021, 09:03:28 am »
Try EC carb, they used to have kits for these.
ALWAYS VOTE FOR ED!   FONGS BROTHER FROM ANOTHER MOTHER!


Offline VICTORVIKING 713

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Re: peerless 820 transaxle
« Reply #2 on: March 31, 2021, 12:12:24 am »
Thank you and one more question, I heard that you can put the gears from mst transaxles and 700 transmissions are interchangable, what is the fastest gear ratio you can get for them?

Offline BIG AL 202

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Re: peerless 820 transaxle
« Reply #3 on: March 31, 2021, 06:24:11 pm »
That I'm not sure of, and I don't want to give not sure info. I have not heard that they are interchangeable but I have not run the 820 trans axle. When you call EC Carb ask them, they might know.
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Offline PJG56

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Re: peerless 820 transaxle
« Reply #4 on: April 01, 2021, 05:53:03 am »
That I'm not sure of, and I don't want to give not sure info. I have not heard that they are interchangeable but I have not run the 820 trans axle. When you call EC Carb ask them, they might know.
Al ,if memory serves me right,I believe all the gears swap from an 820 to a 700 series trans,the input shaft does not swap though some 800 series had larger input shafts in them
Paul Guptill  (oppy) #238modX
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Offline VICTORVIKING 713

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Re: peerless 820 transaxle
« Reply #5 on: April 02, 2021, 04:25:38 am »
Okay, thank you.


Offline BIG AL 202

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Re: peerless 820 transaxle
« Reply #6 on: April 02, 2021, 11:39:43 am »
Paul, that makes since. I just have not messed with the 820, but have a bunch of time with the 700. I'll remember that.
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Offline RoMow

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Re: peerless 820 transaxle
« Reply #7 on: April 03, 2021, 06:03:17 pm »
Victor, 

   Only two 820s used the tall shift shaft (Paul -- not input shaft) -- the 820-029 and the 820-037.  The shaft on the short (standard) shift shaft is 1/2" (0.500") O.D.  The tall shift shaft (P/N 784377) is 9/16" (0.562") O.D.  They are the same internally.  You can use the tall shift shaft on any late-model 820 (with the full-length 1-1/8" O.D. shift-key cluster-gear shaft), BUT you will need to ream out the shift-shaft hole in the top cover to accept the 9/16" shaft. 

   The 784377 Tall Shift Shafts are obsolete from Peerless; I have one new-takeoff shift shaft left in stock. 

   Or...you can make an extension for the short shift shaft, if you're using the between-the-legs shifter.  I did this for another Kansas City-area customer.  Works well. 

   And my other posts give all the ratios for the 820s, the MST 200s, and the 700s.  They are all interchangeable, but the 820 gears are all cut-steel, heat-treated gears; some of the MST and 700 gears are powdered metal.

Respectfully, 
Rodney Rom 
"No matter how many material possessions or awards you may acquire in your lifetime, the only thing you will ever truly own is your reputation." (Age 73)

Offline VICTORVIKING 713

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Re: peerless 820 transaxle
« Reply #8 on: April 04, 2021, 12:00:14 am »
Thank you so much!