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Old 08-30-2017, 05:44 PM   #1
Comodave's Avatar
City: Au Gres, MI
Country: US
Vessel Name: Never Say Never
Vessel Model: President 41 DC
Join Date: Jul 2015
Posts: 6,560
Shell Rotella oill

I have twin Lehman SP225s. The previous owner had used Rotella T 15W40 oil for the last 15 years, so I have been using it also. I now see a Rotella T4 as a new version of the oil. Has anyone used the T4 and is this a direct replacement for the old T version? The T4 says it is a heavy duty diesel oil.
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