Oil for a Honda Snow Blower.....???

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My friend has a Honda HS720AS and his manual calls for a 5w20 or a 5w30. It will be in use in Colorado where it can get way below zero. Do you think a Ow30 like German Castrol or Mobil 1 0w30 would be a better choice then what the book calls for? I have been using German Castrol 0w30 in my 30 year old Craftsman snow blower with good results. Thanks for any input!
 
Yes, either 0W30 will work great. I use whichever syn 5W30 I happen to find on sale, and mine has always been happy, too.
 
This has to be the first time I have ever heard of 5w20 being acceptable to use in an air cooled engine.

Honestly, he should just use what he has laying around. Both spec'd oils will be find in below 0 temps.
 
Yea, I have to agree. Never heard of a 20 weight in an air cooled engine. That said I have used Mobil1 0w-30 in small engines during cold weather with great success.
 
While I don't use Castrol 0W30 in any of my vehicles, I think it would be ideal for a snow blower in your neck of the woods.
 
Originally Posted By: dlundblad
This has to be the first time I have ever heard of 5w20 being acceptable to use in an air cooled engine.

Honestly, he should just use what he has laying around. Both spec'd oils will be find in below 0 temps.


Kawasaki also accepts 5w20 in the 32 degree or below range.
 
Originally Posted By: Chris B.
My friend has a Honda HS720AS and his manual calls for a 5w20 or a 5w30. It will be in use in Colorado where it can get way below zero. Do you think a Ow30 like German Castrol or Mobil 1 0w30 would be a better choice then what the book calls for? I have been using German Castrol 0w30 in my 30 year old Craftsman snow blower with good results. Thanks for any input!


Any full synthetic 0w30 and 5w30 would be a great recommendation.
 
The weird thing about the use of 5w20 oil in snowblowers is that years ago, and I mean maybe 40 years ago, they spec'd 5w20 for snowblowers. I used it all the time in my and my customers snowblowers. Then it disappeared from the store shelves, and had to go to 5w30. Never saw it again till a few years ago, after cars started calling for it.
 
My thrower calls for 5W-30 and been using 0W-30 synthetic since the 1st oil change. I live in NE OH and temps drop below zero. Never had an issue, always starts first pull.
 
Briggs, onan, Kawasaki, are a few I know spec or did spec a 5w-20 for cold temps.
I use it in ope's, it is the common pcmo in my inventory. In theory it is more shear stable then the wider viscosity spread of a 0/5w-30. I use syn 0/5w-20 in all my blowers. No problems here after more then a decade of this practice.


Harvey
 
I use AMSoil 4-stroke small engine oil SAE30/10W-30 in my Honda HS928. Starts on the first pull every time regardless of temperature. A true sheer stable synthetic SAE30 that is able to meet the cold flow specs of a 10W-30.
 
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since snowblower oil wont be getting to 300F like my tractor oil.. I suspect the 15-20% thinner(@100c) "20wt" in a snowblower would actually be much thicker than the "30wt" in my tractor during actual use.
 
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