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Comprehensive diesel equipment lubrication solutions

Comprehensive lubrication solutions for heavy duty diesel engine for construction machinery and mining equipments
Heavy Vehicles
Highly efficient engine oil for diesel generators and heavy machinery.
Construction machinery
Modern lubricants for diesel engines, providing extended oil change intervals and engine protection.
Mining Equipment
Yuangen Petrochemical Diesel Fuel Lubrication Systems for Industrial Fleet Management
Port equipment
Toyota's global partner, Yuangen: Professional lubricant for diesel engines.
Agricultural machinery
OEM quality diesel lubricants for international distribution and purchasing.
Industrial equipment
Integrated management of diesel engine lubrication systems for large-scale industrial applications.
Sea and inland waterway vessels
Diesel Engine Oil CF-4
CF-4 10W-30 Diesel Engine Oil for Heavy Duty Trucks & Machinery
CF-4 10W-30 diesel engine oil is a high-performance lubricant designed for heavy-duty diesel engines operating in demanding conditions such as construction, mining, and long-haul transportation. Formulated with high-quality base oils and advanced additive technology, this engine oil provides excellent wear protection, deposit control, and oxidation stability, ensuring extended engine life and reduced maintenance costs. It is widely used in commercial vehicles, agricultural machinery, and power generation equipment requiring API CF-4 specification engine oil.
CF-4 10W-40 Diesel Engine Oil – Premium Protection & Long Engine Life
CF-4 10W-40 diesel engine oil is expertly formulated with Mobil deeply refined base oils and high-quality multi-functional additives from globally recognized brands. This premium lubricant delivers comprehensive engine protection, ensuring excellent wear resistance, outstanding dispersant performance, and superior oxidation stability. It prevents piston ring sticking, keeps engines clean and efficient, and effectively controls oil viscosity growth under extreme operating conditions. Ideal for heavy-duty diesel engines, CF-4 10W-40 enhances engine performance, reduces maintenance costs, and prolongs engine lifespan.
High-Performance Diesel Engine Oil CF-4 15W-40 for Heavy-Duty Trucks
CF-4 15W-40 is a premium diesel engine oil formulated with Mobil deeply refined base oils and high-quality multi-functional additives from internationally renowned brands. It delivers comprehensive lubrication protection, outstanding wear resistance, superior dispersant performance to prevent piston ring sticking, and excellent oxidation stability to maintain oil viscosity under high-temperature and heavy-load conditions.
CF‑4 20W‑50 Diesel Engine Oil – Superior Protection for Heavy-Duty Diesel Engines
CF‑4 20W‑50 Diesel Engine Oil is specially formulated with Mobil deeply refined base oils and high-quality multi-functional additives from internationally recognized brands, providing comprehensive lubrication and protection for heavy-duty diesel engines. This oil delivers excellent wear resistance to extend engine life, outstanding dispersant performance to prevent piston ring sticking, and superior oxidation stability to maintain consistent viscosity under high-temperature and high-load conditions.
CF‑4 10W‑40 S10 Diesel Engine Oil – Superior Protection for Heavy‑Duty Engines
CF‑4 10W‑40 S10 Diesel Engine Oil is formulated with Mobil high‑quality mineral base oils and optimized additives from internationally renowned brands, delivering reliable lubrication and protection for heavy‑duty diesel engines. This engine oil offers exceptional wear resistance, strong dispersant and detergent performance to keep the engine clean, and superior oxidation stability to maintain oil viscosity under high‑temperature and heavy‑load working conditions.
Diesel Engine Oil CF-4 15W-40 S10 for Heavy-Duty Trucks & Construction Equipment
CF-4 15W-40 S10 Diesel Engine Oil is formulated with Mobil premium mineral base oils and optimized additives from internationally renowned brands, specifically designed for medium and heavy-duty diesel engines. It delivers superior lubrication and enhanced protection performance, effectively controlling soot deposits, reducing engine wear, and extending engine service life. This product is widely suitable for construction machinery, heavy-duty trucks, and agricultural equipment.
Diesel Engine Oil CH-4
Diesel Engine Oil CI-4
Diesel Engine Oil CI-4 0W-30 for Extreme Cold Start & Heavy-Duty Engines
CI-4 0W-30 Diesel Engine Oil is a full synthetic, low-viscosity heavy-duty engine oil designed for modern diesel engines operating in extreme cold climates and high-load conditions. Formulated with premium synthetic base oils and advanced additive technology, it provides excellent cold start performance, superior wear protection, and extended oil drain intervals.
Diesel Engine Oil CI-4 5W-40 for Heavy-Duty Diesel Engines
Diesel Engine Oil CI-4 5W-40 is a full synthetic heavy-duty diesel engine oil formulated with advanced base oils and premium additive technology. It delivers excellent soot control, wear protection, and oxidation stability for modern diesel engines operating under high load, high temperature, and extended drain intervals.
Diesel Engine Oil CI-4 10W-30 for Heavy-Duty Engines
Diesel Engine Oil CI-4 10W-30 is a high-performance heavy-duty diesel engine oil formulated with premium base oils and advanced additive technology. It provides excellent soot control, wear protection, and oxidation stability, ensuring reliable lubrication for modern diesel engines operating under high load, high temperature, and extended service intervals.
Diesel Engine Oil CI-4 10W-40 for Heavy-Duty Engines
Diesel Engine Oil CI-4 10W-40 is a high-performance heavy-duty diesel engine oil formulated with premium base oils and advanced additive technology. It delivers excellent wear protection, soot control, and oxidation stability, ensuring reliable lubrication for modern diesel engines operating under high load, high temperature, and severe working conditions.
Diesel Engine Oil CI-4 15W-40 for Heavy Duty Engines
Diesel Engine Oil CI-4 15W-40 is a high-performance heavy-duty diesel engine oil formulated with premium base oils and advanced additive technology. It offers superior wear protection, soot control, and oxidation stability, delivering reliable lubrication for modern diesel engines operating under high-load and high-temperature conditions.
Diesel Engine Oil CI-4 15W-50 for Heavy-Duty Engines
Diesel Engine Oil CI-4 15W-50 is a high-performance heavy-duty engine oil designed for trucks, construction machinery, mining equipment, and industrial diesel engines operating under extreme conditions. Formulated with high-quality base oils and advanced additive technology, it delivers excellent wear protection, soot control, and oxidation stability. This engine oil ensures extended drain intervals, improved fuel efficiency, and reliable engine cleanliness. Suitable for engines equipped with EGR systems and compliant with Euro V, IV, and III emission standards.
Diesel Engine Oil CI-4 20W-50 for Heavy-Duty Diesel Engines
Diesel Engine Oil CI-4 20W-50 is a high-performance heavy duty diesel engine oil designed for trucks, construction machinery, mining equipment, and industrial diesel engines operating under extreme conditions. Formulated with high-quality base oils and advanced additive technology, it provides excellent wear protection, soot control, and oxidation stability. This diesel engine oil ensures extended oil drain intervals, improved fuel efficiency, and reliable engine cleanliness. Suitable for engines equipped with EGR systems and meeting API CI-4 specifications, it delivers stable performance in high temperature and heavy-load environments.
Diesel Engine Oil CI-4 5W-40 S10 for Heavy-Duty Diesel Engines
Diesel Engine Oil CI-4 5W-40 S10 is a high-performance synthetic diesel engine oil designed for medium and heavy-duty diesel engines operating in both low-temperature and high-load conditions. Formulated with high-quality base oils and advanced additive technology, it provides excellent cold start performance, strong wear protection, and superior engine cleanliness. This engine oil ensures stable lubrication across a wide temperature range while reducing engine wear and maintenance costs. Suitable for engines requiring API CI-4 performance level, it is especially ideal for modern diesel engines equipped with EGR systems.
Diesel Engine Oil CI-4 10W-30 S10
CI-4 10W-30 S10 Diesel Engine Oil uses Mobil high-quality mineral base oil and optimized internationally renowned brand additive formulations, specifically designed for medium to heavy-duty diesel engines. It provides reliable lubrication protection, effectively extending engine life and reducing maintenance costs.
Diesel Engine Oil CI-4 10W-40 S10
CI-4 10W-40 S10 Diesel Engine Oil uses Mobil high-quality mineral base oil and optimized internationally renowned brand additive formulations, specifically designed for medium to heavy-duty diesel engines. It provides reliable lubrication protection, effectively extending engine life and reducing maintenance costs.
Diesel Engine Oil CI-4 20W-50 S10
CI-4 20W-50 S10 Diesel Engine Oil uses high-quality Mobil mineral base oil and optimized additive formulations, specifically designed for medium to heavy-duty diesel engines. It provides reliable lubrication protection, effectively extending engine life and reducing maintenance costs.
Diesel Engine Oil CK-4
Diesel Engine Oil CK-4 5W-30
Diesel Engine Oil CK-4 5W-30 is a heavy-duty diesel engine oil formulated with Mobil deeply refined base oils and advanced additive technology, delivering exceptional wear protection and deposit control. Its low-SAPS (Sulphated Ash, Phosphorus, Sulfur) composition ensures compatibility with aftertreatment systems (such as DPF and SCR), reduces engine wear, and complies with the latest emission standards
Diesel Engine Oil CK-4 10W-30
CK-4 10W-30 is a heavy-duty diesel engine oil formulated with Mobil deeply refined base oils and high-quality multi-functional additives from internationally renowned brands, delivering exceptional wear protection and deposit control. Its low-SAPS (Sulphated Ash, Phosphorus, Sulfur) composition ensures compatibility with aftertreatment systems (such as DPF and SCR), reduces engine wear, and complies with the latest emission standards.
Diesel Engine Oil CK-4 10W-40
CK-4 10W-40 is a heavy-duty diesel engine oil formulated with Mobil base oil and internationally renowned brand advanced additives technology, delivering exceptional wear protection and deposit control. Its low-SAPS (Sulphated Ash, Phosphorus, Sulfur) composition ensures compatibility with aftertreatment systems (such as DPF and SCR), reduces engine wear, and complies with the latest emission standards.
Diesel Engine Oil CK-4 15W-40
CK-4 15W-40 is a high-performance heavy-duty diesel engine oil formulated with Mobil deeply refined base oils and high-quality multi-functional additives from internationally renowned brands to deliver exceptional anti-wear, antioxidant, and cleaning performance. Its low-ash design effectively protects aftertreatment systems (such as DPF and SCR), extends engine life, and improves fuel economy, meeting stringent emission standards.
Diesel Engine Oil CK-4 20W-50
Diesel Engine Oil CK-4 20W-50 is a high-performance heavy-duty diesel engine oil formulated with Mobil deeply refined base oils and high-quality multi-functional advanced additives technology to deliver exceptional anti-wear, antioxidant, and cleaning performance. Its low-ash design effectively protects aftertreatment systems (such as DPF and SCR), extends engine life, and improves fuel economy, meeting stringent emission standards.
Long Life Diesel Engine Oil
Long Life Diesel Engine Oil CI-4/E4 5W-30
Long Life Diesel Engine Oil CI-4/E4 5W-30 is blended with Mobil and Shell fully synthetic base oil ,and advanced internationally renowned brand additives to provide superior lubrication preventing energy losses and to ensure appropriate engine protection in a variety of driving conditions. The totally new formula not only extends the oil change interval, but also reduces engine and piston wear caused by smoke particles, and improves fuel economy. Suitable for Euro IV and Euro V engines without a Diesel Particulate Filter (DPF).
Long Life Diesel Engine Oil CK-4 5W-30 HP
Long Life Diesel Engine Oil CK-4 5W-30 HP uses synthetic and high-performance base oils combined with low-ash additive technology to extend the service life of vehicle DPF, EGR, and SCR devices, ensuring excellent compatibility with catalysts in engine after-treatment systems.
Long Life Diesel Engine Oil CI-4/E4 10W-40
Long Life Diesel Engine Oil CI-4/E4 10W-40 is blended with Mobil and Shell fully synthetic base oil ,and advanced internationally renowned brand additives to provide superior lubrication preventing energy losses and to ensure appropriate engine protection in a variety of driving conditions. The totally new formula not only extends the oil change interval, but also reduces engine and piston wear caused by smoke particles, and improves fuel economy. Suitable for Euro IV and Euro V engines without a Diesel Particulate Filter (DPF).
Long Life Diesel Engine Oil CK-4 10W-40 HP
Long Life Diesel Engine Oil CK-4 10W-40 HP uses synthetic and high-performance base oils combined with low-ash additive technology to extend the service life of vehicle DPF, EGR, and SCR devices, ensuring excellent compatibility with catalysts in engine after-treatment systems.
Long Life Diesel Engine Oil CK-4 15W-40 HP
Long Life Diesel Engine Oil CK-4 15W-400 HP uses synthetic and high-performance base oils combined with low-ash additive technology to extend the service life of vehicle DPF, EGR, and SCR devices, ensuring excellent compatibility with catalysts in engine after-treatment systems.
Synthetic Technology Diesel Engine Oil

Not sure which diesel engine oil you need?

Using incompatible diesel engine lubricants may fail to provide adequate engine protection, leading to accelerated component wear, increased maintenance costs, and unexpected equipment downtime. In severe cases, improper lubrication can even create serious safety risks and lead to equipment failure.
Our technical specialists will help you select the most appropriate diesel engine oil specification based on your engine type, operating conditions, and maintenance requirements.
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