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People also ask, can I use 10w30 instead of SAE 30 in my lawn mower?
The answer is yes. Older engines can use the SAE30, while the 10W30 is for modern engines. Again, the SAE30 is better for warmer temperatures while the 10W30 is suitable for varying temperature range and improves cold weather starting.
Also to know, can you mix SAE 30 and 10w30?
You can mix straight weights like SAE 10 and SAE 30 or multi-grades like 10W30 and 10W40. Run your straight 30 during the summer if you want to.
A straight 30 weight oil is 30 weight both when it is cold (that is, at the start-up of the motor) and hot (when the motor has reached operating temperatures). 10w30 weight oil is 10 weight when cold, and 30 weight when hot.