GLOBOiL DZL ULTRA 15W-40 is a high-performance diesel engine oil formulated to provide exceptional protection and performance for both on-road and off-road applications. With a 15W-40 viscosity grade, it ensures reliable engine operation in varying temperatures, offering superior wear protection, enhanced oxidation stability, and improved fuel efficiency. This oil helps reduce engine sludge, extends oil life, and ensures long-term engine durability, making it ideal for heavy-duty diesel engines in trucks, construction, and agricultural equipment.