Old John Deere snowblower, help finding parts - Snowblower Forum : Snow Blower Forums
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post #1 of 19 Old 11-24-2015, 07:04 PM Thread Starter
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Old John Deere snowblower, help finding parts

I just picked up a John Deere snowblower from
Someone for free. The engine does not work (owner said he thinks a cylinder dropped on it) and I am looking to rebuild it.

What I know it's from 1978-1980. And the serial number is: P826J 126650 M

I have attached pictures. What exact engine is in it? Where can I find a rebuild kit? I have attached pictures of the unit as well.
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post #2 of 19 Old 11-24-2015, 07:12 PM
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Quote:
Originally Posted by Jbpiv View Post
I just picked up a John Deere snowblower from
Someone for free. The engine does not work (owner said he thinks a cylinder dropped on it) and I am looking to rebuild it.

What I know it's from 1978-1980. And the serial number is: P826J 126650 M

I have attached pictures. What exact engine is in it? Where can I find a rebuild kit? I have attached pictures of the unit as well.
If you remove the 2 bolts for the electric starter connector on top of the flywheel cover, you should see the engine type stamped on it.

looks like an HM80 variant.

I don't know where you are located but you can usually find a running HM80 for $100 to $150 on craigslist.

You'd be looking at ~$100 for the rebuild parts alone.


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post #3 of 19 Old 11-24-2015, 07:16 PM
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are you wanting to rebuild for the enjoyment, or because you need a working machine ? there should be a tag on the engine itself for the "enjoyment" work, and a repower would be a better option for the " working machine". ( if its a dual shaft engine, things kinda change)

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post #4 of 19 Old 11-24-2015, 07:37 PM
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Quick and easy way to check your cylinder is pull the plug and flash a light in there as someone pulls the rope. You should see the piston move up and down. If it's a thrown rod, you can usually feel it just by pulling the rope (if it moves, it may not) there won't be compression at all. Rebuilding depends on the internal damage. You can remove the electric starter and see if there's a hole in the block behind it. I refurbed an 826 a little newer than yours. They are very easy to work on and built very well.
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post #5 of 19 Old 11-24-2015, 08:58 PM Thread Starter
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Going to try to take it apart tonight to get a feel for what's going on. Tried pulling the rope, does not even budge.

If I were to go rebuild route, how do I determine what exact engine I have to get parts for it?

What options do I have if I swap it out?

Here's the owners book I got but this hasn't helped me much on my google searches
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post #6 of 19 Old 11-24-2015, 09:29 PM
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Look along this line for a stamped alpha numeric series. (HM80xxxxxx)
That will ID your engine for which Tecumseh parts you may need. Easy enough to pull the bolts on the electric starter motor under the gas tank and look behind it. If you can see into the engine, you don't need to look for parts If no hole and the recoil is stuck, it may just be seized. See if there's any oil in it. If it's only seized and no hole behind the starter you MIGHT be able to salvage it. At that age the head bolts tend to stay with the block and repowering may be easier and cheaper. Break off one head bolt and one exhaust bolt and you've got a bad start to rebuilding.

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post #7 of 19 Old 11-24-2015, 09:42 PM
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The code written in your owners manual 9264D is the tail end of the engine ID. It tells you it was made in decade ending in "9" likely 1979 by appearance and model of blower on the 264th day on line "D" of the factory. Friday, September 21, 1979. You need all the letters and numbers before that part of the serial number to look up correct parts.

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post #8 of 19 Old 11-24-2015, 10:49 PM
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Welcome to the forum Jbpiv

On some engines that stamped engine number is under the electric start button assembly and you need to remove the two screws to tilt it out of the way.

This site is great for finding part numbers and seeing drawings then use the part number on google, amazon and Ebay to get the best deal.

John Deere - Parts Catalog

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Make sure the windows are up before the snow plow goes by !!

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post #9 of 19 Old 11-24-2015, 11:01 PM Thread Starter
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So I think I got the serial... The plate was pretty rusted right where the serial was engraved. But from the best I can tell I have HM805156013F. SER 9264D

I am only unsure on the following #5 &6-> HM80[5]15[6]013F
Picture below for how bad it looks.

Also, took off the starter and I got a nice crack... Picture below as well
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post #10 of 19 Old 11-25-2015, 12:24 AM
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Like I said, start looking for a replacement hm80


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