Diesel Engine Oil
High-performance lubricants designed for reliability, efficiency, and long-lasting equipment protection.
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K6 Performance Tier — CH-4 Advanced Total Synthesis Diesel Engine Oil
The K6 Performance Tier CH-4 Advanced Total Synthesis Diesel Engine Oil is made from premium quality base oil and international advanced additive formulation, specifically designed for super heavy-duty turbocharged diesel engines. It delivers good anti-wear protection with solid oxidation stability, excellent cleaning performance with effective sludge control, compatible catalyst protection for reduced exhaust emissions, and effective sediment prevention with stable lubrication film at all operating speeds. Meeting API CH-4 standards, it is the value-engineered, high-reliability diesel lubricant designed for cost-sensitive markets, older vehicle fleets, and universal heavy-duty diesel applications worldwide.
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K8 Performance Tier — CI-4 Advanced Total Synthesis Diesel Engine Oil
The K8 Performance Tier CI-4 Advanced Total Synthesis Diesel Engine Oil delivers excellent high-temperature oil film strength for improved engine power output, long-lasting stable oil pressure, excellent acid neutralization and anti-oxidation ability for extended drain intervals, effective sludge and deposit control, and EGR protection meeting Euro IV diesel lubrication requirements. Made with high-quality synthetic base oil and international advanced formula, it is specifically designed for super heavy-duty turbocharged diesel engines and represents the high-performance workhorse of the ROCKEFELLER diesel range.
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K9 Performance Tier — CJ-4 Advanced Total Synthesis Diesel Engine Oil
The K9 Performance Tier CJ-4 Advanced Total Synthesis Diesel Engine Oil features a fully-synthetic base oil with ultra-low evaporation loss, a low-sulfur and low-phosphorus formula for complete DPF compatibility, excellent anti-wear ability for piston ring-cylinder liner and valve-camshaft protection, strong soot containment capacity, and excellent viscosity-temperature characteristics with shear stability. Meeting API CJ-4 standards, it is the premium diesel lubricant of choice for luxury high-speed passenger and commercial vehicles meeting Euro IV emission standards, including Mercedes-Benz, MAN, Volvo, Isuzu, and premium Chinese coach brands.
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K10 Performance Tier — CK-4 Advanced Total Synthesis Diesel Engine Oil
The K10 Performance Tier CK-4 Advanced Total Synthesis Diesel Engine Oil is formulated with PAO polyalphaolefin base oil and original compound additives, delivering stable viscosity performance, exceptional piston deposit control, super abrasion resistance, excellent shear resistance with super long-lasting stable oil pressure, and efficient EGR/DPF/DOC/SCR/TWC aftertreatment protection. Meeting the latest API CK-4 specification, it is the definitive ultra-premium diesel lubricant engineered for the most demanding super heavy-duty turbocharged diesel engines operating under Euro IV and higher emission standards.
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