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What oil does Yanmar diesel engine use?

2025-10-24 23:41:31 mechanical

What oil does Yanmar diesel engine use? Comprehensive analysis and recommendations

As a world-renowned power equipment, Yanmar diesel engines are widely used in agricultural machinery, ships, generator sets and other fields. Choosing the right motor oil is critical to your engine's life and performance. This article will combine recent hot topics and structured data to provide you with detailed answers to the selection of Yanmar diesel engine oil.

1. Yanmar diesel engine oil selection standards

What oil does Yanmar diesel engine use?

Yanmar officially has clear technical requirements for engine oil, which must meet the following standards:

Diesel engine modelRecommended engine oil gradeViscosity rangeOil change interval (hours)
TNV seriesAPI CJ-4/CI-415W-40250
4TNV seriesAPICF-4/CG-410W-30200
3TNM seriesAPI CD/CESAE 30150

2. Actual comparison of popular engine oil brands (TOP5 most popular on the Internet in the past 10 days)

According to recent discussion data on e-commerce platforms and forums, the following brands of engine oil have attracted the most attention:

brandProduct seriesCompatible modelUser rating (5-point scale)Reference price (4L package)
ShellRimula R4TNV/4TNV4.8¥380-420
MobilDelvac 1300Applicable to all series4.7¥350-400
CastrolRxSuper3TNM and above4.6¥320-370

3. Suggestions on adapting to seasons and environment

Extreme weather has occurred in many places recently, so you need to pay special attention to engine oil selection:

ambient temperatureRecommended viscosityspecial request
>30℃20W-50High temperature oxidation resistance
-10℃~30℃15W-40Universal
＜-10℃5W-30Low temperature fluidity

4. User FAQs (recently searched frequently)

1.Q: Can Yanmar diesel engines use car engine oil?
A: Not recommended. Diesel engine oil requires a higher base number (TBN) and shear resistance, and automotive engine oil cannot meet long-term use requirements.

2.Q: What oil does the old Yanmar engine use?
A: It is recommended that engines produced before 2005 use API CF-4 grade oil and shorten the oil change interval to 150 hours.

3.Q: How to distinguish real and fake engine oil?
A: Recently, complaints about counterfeit goods have been concentrated on e-commerce platforms. It is recommended to purchase through official channels and pay attention to check the anti-counterfeiting labels and packaging integrity.

5. Maintenance tips

1. The oil filter should be replaced with each oil change.
2. It is recommended that the first oil change of a new machine be completed within 50 hours.
3. Store engine oil away from direct sunlight. The shelf life is generally 3-5 years.

Through the above structured data and recent hot spot analysis, I hope it can help you choose the most suitable engine oil for your Yanmar diesel engine. Please refer to the engine manual for actual selection. It is recommended to consult professional maintenance personnel under extreme working conditions.

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