If the manufacturer of the lawnmower specifies only SAE 30 then do not use SAE 10W-30. However on most mowers you can use either weight. I highly recommend you use synthetic oil in any air cooled engine.
If it is a Briggs engine it takes SAE30. If it is a Kohler engine it takes 10W-30.
SAE30
sae30
SAE30
No, it takes 10w30 or straight 30 weight.
10w30 will do.
10w30 oil is what is recommended
It depends on the mower. Some use 30 weight. Some use 10w30.
I am not sure what you are wanting to use the oil for. If it is for a lawn mower, most of them take either 10w30 or SAE 30. They are not the same oil. You will need to refer to your engine manufacturer for the oil required for your engine. Normally most Briggs and Stratton and Tecumseh engines use the SAE30 oil. While most Kohler engines use 10w30.
SAE 10w30 synthetic.
SAE 10w30 Synthetic.
SAE 10w30 full synthetic.