15w40 is thicker at all temps vs 10w30.
10w30 is thicker than 5w20
It could be.
20W50 is the " thicker " oil
Gas 10w30 Diesel 15w40
10w30 or 15w40
15 is thicker oil and for bigger engines.
Gas 10w30 Diesel 15w40
mine takes 15w40 in the summer and 10w30 in the winter
15 is thicker oil and for bigger engines.
Not recommended. Use 10w30.
Gas engine uses 10w30 Diesel uses 15w40