Workhorse CK-4 synthetic blend diesel engine oils for mixed fleets.
High-performance synthetic blend heavy-duty diesel engine oil designed for modern low-emission engines. Provides excellent wear protection, soot control, and fuel economy benefits compared to 15W-40 while maintaining strong shear stability and oxidation resistance.
Synthetic blend 10W-40 heavy-duty diesel oil offering enhanced high-temperature protection, improved shear stability, and excellent oxidation resistance for severe-duty on- and off-road applications.
Premium synthetic blend 15W-40 diesel engine oil engineered to deliver outstanding wear control, deposit protection, and oxidation stability for a broad range of on- and off-highway diesel engines. The ideal workhorse grade for mixed fleets.