10w40 will work fine!
what is the capacity
My 5 horsepower Tecumseh on my John Deere snowblower takes : ( 20 ounces / 600 ml )
For a 5 HP Tecumseh engine in a snowblower, it's recommended to use SAE 5W-30 or SAE 10W-30 oil, especially for colder temperatures. These oils provide good lubrication and protection in varying weather conditions. Always check the owner's manual for specific oil recommendations and maintenance guidelines for your particular model.
My John Deere snowblower with a 5 horsepower Tecumseh engine takes ( 20 ounces ) which would be .625 of a U.S. quart
5W30 conventional oil. Straight out of the manual.
As a snowblower is used in the winter use 10w30 weight synthetic oil and change the oil once each year.
SAE 10w30 synthetic oil.
SAE 10w30
Yes 10w30 is a good oil for snowblower or lawnmower.
30 wt oil
720ml 5W30W