Q. Why can’t I use a CI-4 Plus truck engine oil in an engine that calls for CJ-4?
A. CJ-4 oils are formulated to provide optimum durability and compatibility for diesel particulate filters. Using CI-4 shortens the service life of the diesel particulate filter. Expect to replace the DPF or a budget for higher maintenance costs and engines manufactured after 2007 require using of CJ-4 oils because they come with DPFs.
Q. If a truck engine oil meets the API category and any other standards set by my engine maker, what’s the difference between that and a premium… Continue reading
Key components of a truck oil analysis should provide insight into problems that could occur with the lubrication-related components and should include:
- Oil viscosity
- Oil contaminants
- Oil condition information
- Wear element analysis
- Additive elements
For more detailed information on this subject, please click to go to the Heavy Duty Trucking Information site.