Ariens ST1236 with Honda GX390 engine - Snowblower Forum : Snow Blower Forums
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post #1 of 15 Old 10-14-2015, 08:44 PM Thread Starter
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Ariens ST1236 with Honda GX390 engine

I just got two GX390 engines and I am considering to repower my Ariens ST1236.
What do you think about it (I do not know if the 12HP Tecumseh runs or not).
Would the 13HP Honda engine be powerful enough for the 36" auger housing and 14" 6 bladed impeller?
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post #2 of 15 Old 10-14-2015, 09:00 PM
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I'm open for correction but I definitively would say it is a good marriage coupled with the renowned reliability of the brand.

Did you do some verification on the fitting?

Good Luck

Snow Removal Apparatus I own:
Ariens ST1530DLE, and good ole arm powered scrapper.
The 15 HP is a new Ducar engine sold
by Princess Auto in Canada.
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post #3 of 15 Old 10-14-2015, 09:27 PM Thread Starter
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Thanks Normex,
I have not taken any measurements yet since I'll pick the engines up over the weekend, but I am pretty sure I will fit.
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post #4 of 15 Old 10-15-2015, 12:33 AM
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I'm not too sure where exactly you are in Connecticut, but if you're not doing anything with that other engine then I'd be more than happy to take it off your hands haha.

Joking aside, that engine would make for a phenomenal combination with the Ariens. If the fitting is off with the mounts, check out my old thread which includes how I custom fit the engine on a new mount...32inch Ariens Restoration and Repower.

1972 Ariens 13/32 restored & repowered
1971 Ariens 7/24 (retired)
2011 Ariens Deluxe 24
1980 Ariens st7/24 (retired)
1985 Ariens st10/36
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post #5 of 15 Old 10-15-2015, 06:59 AM Thread Starter
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Thanks SR22,
I will look at your thread if I have issues mounting the engine.
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post #6 of 15 Old 10-15-2015, 07:14 AM
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Should make for one heck of a combination. Keep us posted on the project.

I'm pretty much retired from the forum thing, but I check in every now and then.
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post #7 of 15 Old 10-26-2015, 09:12 AM
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it should work fine and i am sure the gx390 will be much more powerful then the original tech engine. I have a gx340 clone on a 26" old cub cadet with a 14" impeller and it works great.
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post #8 of 15 Old 10-26-2015, 06:59 PM Thread Starter
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I have the GX390 engines now. I'll start working on the auger housing first, since I have a blown gearbox to deal with. I have a replacement gearbox out of an Ariens ST1032, but the augers on the ST1236 are frozen to the shaft, I have to figure a way to separate them since I need the shaft and the augers to use them with the replacemant gearbox.
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post #9 of 15 Old 10-26-2015, 07:48 PM
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For your seized auger removal you may need a set of good torches to heat it . On some of those models you might have approx. 6" of shaft from the gearbox outward and if so you heat that area very hot almost red hot then right after douse it with cold water (have it at hand before) then try to move the auger loose and you will see it may budge a very tiny bit but if you keep wrenching it you will see it will move gradually more until loose.

Snow Removal Apparatus I own:
Ariens ST1530DLE, and good ole arm powered scrapper.
The 15 HP is a new Ducar engine sold
by Princess Auto in Canada.
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post #10 of 15 Old 10-26-2015, 09:18 PM
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I would think that Honda would be a great marriage with the Ariens 1236.
The Honda will have more power than the original engine as well as being
quieter and smoother. Not sure if the Ariens uses a two shaft engine or singe,
That would be the only draw back i can think of.
I'm going to do a similar engine transplant when i can find the time. Installing
a Honda 11hp on a John Deere 1032.


Lee

Lee

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Craftsman 1032 Drift Breaker
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