sbosmt - 12/13/2025 18:41
Need this oil for a tractor and have normally been using 15W40 Chevron Delo but they don't make a 10W40. Looks like 2 good options are Valvoline and Mobil Delvac. Any other oil to consider?
Been using CNH No. 1 for about 10 years. It's currently around $17/gallon. | 
10w40 Diesel oil brands