Oil drain interval recommendations are determined through ... Synthetic blend SAE 10W-30 or 10W-40 diesel-engine oil may offer extended-drain capability, enhanced engine cleanliness and excellent ...

If you're in town for short hops, you'll require a shorter drain interval than the guy running Mobil 1 for his highway commute and changing the oil at 25 kilomile intervals (raising my hand).

PREVENTING BREAKDOWNS The enhancement of wear protection lowers the risk of transmission failures, which could result in costly repairs and downtime, while further preventing breakdowns in order ...