10w40 semi-synthetic for Briggs&S & Honda mowers?

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Hi everybody,
i`m not sure.
Can I use (without problems!) >>> http://mannol.de/en/?action=accessory_chemical_preview&name=Defender 10W-40
10w40 multigrade semi-synthetic engine oil API-SL, for Honda GX25(FG110 tiller), Honda GCV160(HRX426 mower) and Briggs&Stratton (riding mower, only for summer) http://www.briggsandstratton.com/us/en/engines/rider-mower-engines/power-built-series engines ?

semi-sythetic oil = more oil consumption as synthetic oil 5W30?
B&S : 10W30 non synthetic = more oil consumtion over 27 degrees C !


thx
 
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Doubt that it'd cause any problems at all.
A 10W-40 might be more prone to shear than a 10W-30 simply because it'll likely have a higher VII treat rate.
Still, no harm as far as I can see.
FWIW, I'd use the 10W-40 in these engines if I had any desire to do so with no concern.
 
It all depends on the outside temperature. I've gone over this several times with another member on here. I wouldn't use a 10w40 if it gets really hot where you are. I started using 15w40 in all my equipment, but it doesn't get used if it's below 40 degrees. 10w40 has too many viscosity improvers to keep it from going back to the 10 weight that it is. I'd recommend either a straight 30 or a 15w40. If it's super cold like below 40 degrees all the time I would use 5w30
 
Originally Posted By: motor_oil_madman
It all depends on the outside temperature. I've gone over this several times with another member on here. I wouldn't use a 10w40 if it gets really hot where you are. I started using 15w40 in all my equipment, but it doesn't get used if it's below 40 degrees. 10w40 has too many viscosity improvers to keep it from going back to the 10 weight that it is. I'd recommend either a straight 30 or a 15w40. If it's super cold like below 40 degrees all the time I would use 5w30


Right. 10W-40 is a 10-wieght with viscosity improvers?
 
I have always used Rotella T or Delo in my lawn mowers.

They don't seem to care, and don't burn a drop.

Texas heat is brutal. This past year I ran 5w40 Delo.
 


I use my mowers from 50 °F - 86 °F.
 
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Those oils should be fine.

I've had the best luck with Rotella T6 5w40 in engines used in summer heat as well as generators that need to start year round. I use plain old 5w30 Pennzoil in snowblowers.
 
I use T6 in a Honda mower a snowblower and a Briggs powered generator. The generator started at 4 degrees F a while back with one pull. Boy was I happy.
 
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