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I have purchased a new truck that has a 2017 Cummins X15…

Customer Question
I have purchased a...

I have purchased a new truck that has a 2017 Cummins X15 performance series engine. Should I be using 15w 40 or 10w 30 oil. The sticker on the frame rail say factory filled with Delo 400

Mechanic's Assistant: What is the complete model and serial number of your machine?

Engine serial # 79988198

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

I think that is it.

Submitted: 10 months ago.Category: Medium and Heavy Trucks
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Answered in 28 minutes by:
10/4/2017
Technician: Daniel Wilson,
 replied 10 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,885
Experience: Owner at DJ Wilson
Verified

Hi my name is***** will be glad to help. 15W 40 is the best all around but in extreme harsh cold winter you can run 10W 30 if there is a problem. Let me know

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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