The XTeer HD7000 CH-4 20W-50 5L-Syn is a high-performance synthetic diesel engine oil designed to provide superior protection for heavy-duty engines. It meets the CH-4 specification, ensuring excellent protection against wear, oxidation, and high-temperature deposits. With a 20W-50 viscosity, it delivers reliable performance in extreme temperature conditions, making it ideal for heavy-duty trucks and off-road equipment. This oil helps extend engine life, improve fuel efficiency, and reduce maintenance costs. The 5L packaging is perfect for large oil changes, offering both value and performance for demanding applications.