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Old 12-03-2008
Lee Davis's Avatar
Lee Davis Lee Davis is offline
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Default Coolant and Oil Choices

I am planning to change my own oil this time and also the coolant.


Should I use the green coolant or the red coolant. I have the filters with the chemicals in them so I am wondering if it makes a difference.

For Oil should I use Rotella T or is something else better?

What do most of you folks use?

Lee and Jacque Davis - Full Timers

Lee - 423-292-5767 or Jacque 423-262-9569
or lnjdavis@gmail.com Please call or email instead of private messages

1995 BMC 37
300 HP Cummins 6CTA 8.3 Turbocharged Diesel
Boldly Going Nowhere
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Old 12-03-2008
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RAGster RAGster is offline
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Location: Marietta
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I'm not familar with the Cummins oil recommendations for your engine. I would check with Cummins and use their recommended oil weight and specifications. I don't think you can go wrong with Shell Rotella or Chevron Delo in the correct viscosities.

The same sould be applied to the coolant. If Cummins recommends a "charged" coolant, I would follow their recommendations. On the Cummins powered Dutchstar I owned, I had a coolant filter and also used the Fleetguard lifetime coolant. You only had to change the filter to keep the charge within tolerance. No coolant changes required as long as you top off with the same product.


Glenn & Lisa
1986 PT-40
Marietta, GA
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Old 12-03-2008
TZScales TZScales is offline
Join Date: Feb 2008
Location: Fort Washington
Posts: 35
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I applaud your taking on the task of changing both oil and coolant fluids. Just make sure you dispose of both by transporting to a recycling center in properly housed containers.

May I suggest you contact your local recycling center prior to the transport. Best of luck and please share how the process went.

Thomas and Deborah
Fort Washington, MD
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Old 12-03-2008
fxdwg fxdwg is offline
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Join Date: Mar 2008
Location: okc
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Here in the "old west" we can take our used oil to Mal-Wart and any of the major auto parts houses (Autozone, O'Rielly's, etc). You should be able to do the same in Maryland, without having to go to a true recycling center.
96 WTOS 42'

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