Sinopec Great Wall Zunlong T400 Diesel Engine Oil API CH-4 Heavy Duty Lubricant

Sinopec Great Wall Zunlong T400 Diesel Engine Oil API CH-4 Heavy Duty Lubricant

Sinopec Great Wall Zunlong T400 Diesel Engine Oil — API CH-4 Heavy Duty Lubricant

Great Wall Zunlong T400 is an API CH-4 heavy duty lubricant developed by Sinopec for modern high-performance diesel engines. Its advanced additive system delivers excellent cleaning and dispersancy to keep engines free of carbon deposits, while a stable oil film maintains strong power output under heavy load.

Zunlong T400 has earned technical approvals from leading international engine manufacturers and is adopted and recommended by major domestic engine builders, confirming the reliability of this CH-4 formulation in real-world fleet service.

The formulation maintains strong base number retention to resist acid corrosion from fuel combustion, and its oxidation resistance effectively extends oil drain intervals. This heavy duty lubricant meets the requirements of Euro III emission engines and adapts to fuels with different sulfur contents, giving operators flexibility across regions.

Technical Parameters

Key Advantages

• Excellent cleaning and dispersancy reduces carbon deposits and prevents filter clogging
• Stable oil film maintains strong power in heavy duty operations
• Excellent base number retention resists acid corrosion from fuel combustion
• Superior oxidation and acidification resistance extends oil drain intervals
• Meets Euro III emission engine lubrication requirements
• Suitable for fuels with different sulfur content

Applications

• Heavy-load, high-turbocharged, high-power container transport vehicles
• Construction vehicles and engineering equipment
• Generator sets
• Large agricultural machinery
• Mining and construction equipment
• Engines requiring CH-4, CF-4, CF or CD level oils

Product Q&A

Q1: What is Zunlong T400 diesel engine oil?
Zunlong T400 is an API CH-4 heavy duty formulation engineered for high-performance diesel engines, combining cleaning dispersancy, oxidation resistance and corrosion protection in one robust package.

Q2: Which OEM approvals does T400 hold?
This formulation holds technical approvals from leading international engine manufacturers and is recommended by major domestic engine builders.

Q3: Can it be used in Euro III emission engines?
Yes. Zunlong T400 fully meets the lubrication requirements of Euro III emission engines, making it a dependable choice for fleets operating newer emission-controlled equipment.

Q4: How does it prevent filter clogging?
The excellent cleaning and dispersancy of this CH-4 formulation keeps soot and carbon particles suspended in the oil, preventing deposits from blocking oil filters and maintaining stable oil pressure.

Q5: What SAE viscosity grades are available?
Zunlong T400 is available in 10W-30, 10W-40, 15W-40 and 20W-50 grades, covering a wide range of operating temperatures and engine designs.

Q6: Can it handle fuels with different sulfur content?
Yes. The formulation provides strong base number retention and acid resistance, protecting heavy duty engines whether they run on low-sulfur or high-sulfur diesel fuel.

Great Wall Zunlong T400 — the CH-4 heavy duty choice for dependable power.