Caltex Super Diesel Multigrade SAE 20W-50 – Engine Oil Solution for Heavy-Duty Operating Conditions

Product Introduction

Super Diesel Multigrade SAE 20W-50 is a heavy-duty diesel engine oil specially formulated to meet the lubrication requirements of turbocharged or naturally aspirated diesel engines requiring API CD performance. The product is designed for cost-sensitive markets or operating environments where engines require shorter oil drain intervals, in which economic efficiency and operational stability are key factors.

With its multi-grade viscosity SAE 20W-50, Super Diesel Multigrade helps maintain strong oil film thickness at high temperatures while ensuring quick oil circulation during startup. This makes it highly suitable for operating conditions with fluctuating temperatures and varying load levels.

 

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Wide Range of Applications

Super Diesel Multigrade SAE 20W-50 is effectively used in various types of equipment and vehicles across industrial and transportation sectors. The product is suitable for high-speed diesel engines, four-stroke engines, turbocharged engines, and naturally aspirated engines. It is widely applied in road transport vehicles, construction machinery, industrial manufacturing equipment, tractors, agricultural machinery, as well as high-speed marine diesel engines used in fishing and inland waterway transport.

In addition, Super Diesel Multigrade SAE 20W-50 is well-suited for diesel generator sets operating continuously under high load or harsh environmental conditions.

 

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Meets Essential Performance Standards

Super Diesel Multigrade SAE 20W-50 meets common performance standards for older-generation engines and engines operating with short maintenance intervals, including API CD for diesel engines and API SF for certain four-stroke gasoline engines as recommended by manufacturers.

This makes the product an economical and flexible solution for mixed fleets, particularly in areas where users need to optimize upfront investment costs while maintaining reliable engine operation.

 

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Engine Protection Under Heavy Load

Super Diesel Multigrade SAE 20W-50 is formulated with metal–organic anti-wear additives that form a durable protective film on metal contact surfaces inside the engine. This protective layer reduces friction and minimizes wear on key components such as piston rings, cylinders, bearings, and crankshafts throughout operation.

Its multi-grade viscosity enhances engine protection during cold starts—when lubrication is not yet fully established—while ensuring a stable oil film around the piston ring area at high operating temperatures and prolonged heavy loads.

 

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Maintaining Engine Power and Performance

A balanced combination of detergent and dispersant additives helps minimize deposit formation on pistons, piston rings, and other internal metal surfaces, especially under high-temperature conditions. As a result, the engine maintains proper sealing, stable compression, and operating power as originally designed.

Effective deposit control also helps reduce piston ring sticking and prevents performance degradation caused by long-term carbon buildup.

 

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Extended Time Between Overhauls

Super Diesel Multigrade SAE 20W-50 provides good oxidation stability, helping resist oil degradation throughout extended operation. This feature minimizes oil thickening and viscosity loss, ensuring consistent oil circulation across the lubrication system.

Effective control of oxidation and oil aging also reduces the risk of oil passage blockages and filter plugging, ultimately extending engine overhaul intervals and lowering overall maintenance costs.

 

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Purchase Genuine CALTEX SUPER DIESEL MULTIGRADE via Viet Duc Joint Stock Company

To ensure the use of genuine CALTEX SUPER DIESEL MULTIGRADE that meets international quality standards with fully traceable origin, customers may purchase through Viet Duc Joint Stock Company – the strategic distributor of Chevron/Caltex in Vietnam. Viet Duc JSC provides full technical documentation and professional consultation to recommend suitable products based on engine type, operating conditions, and real-world environments, helping customers optimize engine protection, extend equipment life, and reduce long-term maintenance costs.

 

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Viet Duc Joint Stock Company – Strategic Distributor of Caltex in Vietnam

With over 24 years of experience in industrial, marine, and transportation lubricants, Viet Duc JSC is the strategic distributor of Caltex (Chevron Lubricants) in the Vietnamese market. The company supplies the complete range of Caltex lubricants for transportation, manufacturing and processing industries, thermal and hydropower plants, mining operations, and maritime sectors.

Driven by a business philosophy focused on quality – transparency – long-term partnership, Viet Duc JSC delivers:

• 100% genuine products, directly imported with full CO, CQ, and MSDS documentation

• In-depth technical consulting based on Chevron Global standards

• Regular used-oil analysis services to optimize equipment lifespan and reduce maintenance costs

• Extensive warehousing and logistics systems enabling fast delivery to major ports and industrial zones

• A highly experienced technical and commercial team regularly organizing training, workshops, equipment inspections, and tailored lubrication solutions

Thanks to its consistency and professionalism over many years, Viet Duc JSC has become a trusted partner of major enterprises in maritime, shipbuilding, heavy industry, logistics, oil & gas, mining, cement, steel, and long-haul transportation across Vietnam.

 

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VIET DUC JOINT STOCK COMPANY

Address: 274 Ngo Quyen Street, Van My Ward, Ngo Quyen District , Hai Phong City.

Branch: 21H KDT Pho Dong, 1145 Nguyen Thi Dinh, Cat Lai Ward, 2 District, Ho Chi Minh City

Tel: +84 896 691 189

Email: Sales@vietducjsc.vn

Website: https://vietducjsc.vn