Marine Medium Speed Engine Oil 4030# for Marine Diesel Engines
产品说明
Specifications and Approvals
- • GB∕T38049-2019
Performance Benefits of Marine Medium Speed Engine Oil 4030#
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• Excellent base value retentionNeutralizes acidic by-products from high-sulfur fuel combustion (2.5–3.5%), preventing corrosion and extending engine life.
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• trong anti-corrosion and rust protectionrotects engine components from rusting and chemical corrosion in harsh marine environments.
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• Superior oxidation stabilityReduces oil oxidation rate, inhibits sludge formation, and extends oil service life.
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• Outstanding cleanliness and dispersancyPrevents high-temperature carbon deposits and keeps engine components clean.
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• Excellent water separation performanceQuickly separates water contamination, preventing emulsification and maintaining lubrication efficiency.
Applications of Marine Medium Speed Engine Oil 4030#
Applications
Marine Medium Speed Engine Oil 4030# is suitable for medium-speed marine diesel engines with trunk piston design operating on fuel with sulfur content of approximately 2.5–3.5%.
It is also suitable for high-speed auxiliary marine engines, providing stable lubrication and protection under demanding marine operating conditions.
FAQ
What is Marine Medium Speed Engine Oil 4030# used for?
It is used for lubricating medium-speed marine diesel engines, especially trunk piston engines operating with high-sulfur fuel.
What does “4030#” mean in marine engine oil?
4030# typically refers to viscosity grade and base number, indicating suitability for medium-speed engines requiring strong acid neutralization performance.
Is this oil suitable for high-sulfur fuel engines?
Yes, it provides excellent base value retention to neutralize acids formed during combustion of fuels with 2.5–3.5% sulfur content.
Can it be used in auxiliary engines?
Yes, it is suitable for both main medium-speed engines and high-speed auxiliary engines.
Do you offer bulk supply or OEM services?
Yes, we provide bulk supply, OEM/private label solutions, and technical support for marine lubrication applications worldwide.
Looking for a Reliable Marine Engine Oil Supplier?
YUANGEN Petrochemical supplies high-performance marine diesel engine oils for global distributors, ship operators, and industrial clients.
✔ Stable bulk supply with consistent quality
✔ OEM / Private Label marine lubricants
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✔ Professional marine lubrication technical support
Contact us today to request a quotation and technical consultation.
Typical Test Data
Test Item | Result | Method |
Kinematic Viscosity (100℃), mm²/s | 14.8 | GB/T265 |
Kinematic Viscosity (40℃), mm²/s | 148.5 | GB/T265 |
Viscosity Index | 99 | GB/T2541 |
Pour Point, ℃ | -21 | GB/T3535 |
Flash Point (COC), ℃ | 242 | GB/T3536 |
Base Value, mgKOH/g | 31.5 | SH/T0251 |
Health, Safety & Environment
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.