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Who We Are
In mining, marine, power generation, or polar operations, heavy equipment engines face the toughest challenges: continuous heavy loads, dusty environments, extreme temperature swings, and corrosion threats from high-sulfur fuel. Choosing an engine oil that can withstand all these challenges is no longer just maintenance—it's a strategic decision impacting total equipment life cycle, operational costs, and reliability. The genuine Caterpillar 3E-9842 (15W-40) Diesel Engine Oil is the professional solution engineered precisely for these demanding applications.
Performance Beyond the Ordinary
The core advantage of Caterpillar 3E-9842 lies in its comprehensive, enhanced performance. It utilizes an SAE 15W-40 viscosity grade, perfectly balancing cold-start capability and high-temperature protection. The “15W” rating ensures rapid oil flow during cold starts to reduce wear, while the “40” high-temperature viscosity maintains stable film strength under full load, effectively separating metal components. With a measured flash point as high as 230°C, it significantly exceeds industry standards, offering superior high-temperature safety, ideal for heavy-duty equipment in tropical climates or high-heat conditions.
Addressing Modern Engine Challenges
As emission regulations tighten, modern diesel engines widely employ technologies like Exhaust Gas Recirculation (EGR), which introduces more acids and soot into the oil system. The 3E-9842 oil is specifically optimized for this. It features a high Total Base Number (TBN) of 10.5 mgKOH/g, significantly enhancing its ability to neutralize acidic combustion by-products and protect engine internals from corrosion, making it particularly suitable for equipment using fuel with sulfur content ≤0.5%. Furthermore, this product has passed Caterpillar's compatibility tests for EGR engines and is one of the oils that meets the demanding Caterpillar ECF-1 specification, ensuring perfect compatibility with complex aftertreatment systems and helping extend Diesel Particulate Filter (DPF) regeneration intervals.
Your Key Questions Answered
We understand your concerns when selecting the right oil. Here are answers to the most common questions about 3E-9842:
Q: How is 3E-9842 different from the common 3E-9900 oil?
A: Both are 15W-40 oils, but 3E-9842 offers enhanced performance. The most notable difference is its lower pour point (-30°C vs -24°C), meaning better cold-start performance in extreme freezing conditions. Additionally, its higher TBN provides stronger acid-neutralizing capacity, making it more suitable for engines under severe duty, using higher sulfur fuel, or equipped with EGR systems, offering longer-lasting protection.
Q: Which Caterpillar engines is it suitable for?
A: The 3E-9842 oil is widely compatible with many Caterpillar heavy-duty engines, especially those operating in harsh environments. Typical applications include Cat C18 and C27 series marine engines, the 3516B HD (High Dust variant), and large equipment like the D11 tractor. It is an ideal choice for equipment operating in emission-sensitive areas such as those under EU Stage IIIB/IV or China Non-Road Stage IV regulations.
Q: What is the recommended drain interval?
A: The drain interval depends on specific operating conditions. According to Caterpillar guidelines, under severe duty conditions with a qualified multigrade oil, drain intervals can typically reach 500 hours. However, in cases of high fuel sulfur content (0.3%-0.5%), altitudes above 1830 meters, or extremely severe service, shorter intervals are recommended, or they should be determined based on results from Scheduled Oil Sampling (S·O·S) analysis. Regular oil analysis is a best practice for monitoring oil condition, predicting engine health, and scientifically extending equipment life.
Choose Genuine, Choose Confidence
Using non-genuine or incompatible oils can lead to sludge formation, filter plugging, increased engine wear, and even damage to expensive aftertreatment systems. As a genuine Caterpillar product, the formulation of 3E-9842 is precisely matched to the engine's design, ensuring Cat-level protection in every detail. We guarantee that every drum of 3E-9842 oil we supply is 100% genuine, safeguarding your equipment investment from the source.
About Us
Ningbo Qiuning Trading Co., Ltd. is committed to providing global customers with high-quality genuine Caterpillar and Perkins parts and lubricants. We ensure that every product meets strict quality standards and are your reliable professional partner.
Contact Us
Welcome to consult Caterpillar 3E-9842 engine oil and other product information, quotations and logistics details through the following methods.
WeChat / WhatsApp: +8615888032469
E-mail: allen@perkins-rx.com
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