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Old 03-14-2020, 06:04 PM   #1
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Oil For RAM 3500 Diesel

I need to add oil to my Dodge Ram 3500 diesel. What is in there is Mopar 68024967PC, I need to know if this is synthetic or real oil. Can I mix the two?
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Old 03-14-2020, 08:43 PM   #2
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I need to add oil to my Dodge Ram 3500 diesel. What is in there is Mopar 68024967PC, I need to know if this is synthetic or real oil. Can I mix the two?
You can always mix synthetic with non-synthetic oil. In fact, there are synthetic blends that prove that you can.

Your current oil is not synthetic.
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Old 03-15-2020, 01:41 AM   #3
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You can always mix synthetic with non-synthetic oil. In fact, there are synthetic blends that prove that you can.

Your current oil is not synthetic.
Thank you.
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Old 03-15-2020, 07:49 AM   #4
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The Cummins diesel has been coming with full synetic 5w40 for some time now. But you can mix if you feel the need. I think the owners manual is programed into the radio now instead of hard copy.
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Old 03-15-2020, 07:55 AM   #5
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The Cummins diesel has been coming with full synetic 5w40 for some time now. But you can mix if you feel the need. I think the owners manual is programed into the radio now instead of hard copy.


X2 on full synthetic for Cummins engine.
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Old 03-15-2020, 08:11 AM   #6
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I will admit I don't know what oil is in my Ram Cummins, I just take it to my dealer for oil change which cost me $45 by buying an ol change contract. otherwise it would be $65. I think a gallon of synthetic oil would be close to the $45
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Old 03-15-2020, 08:17 AM   #7
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I will admit I don't know what oil is in my Ram Cummins, I just take it to my dealer for oil change which cost me $45 by buying an ol change contract. otherwise it would be $65. I think a gallon of synthetic oil would be close to the $45
Shell rotela t6 5w40 full synetic is 25 bucks for 1 gallon. Holds 11 or 12 qt. Fleetguard oil filter is about $10
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Old 03-15-2020, 11:35 AM   #8
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The part number for oil in my original post appears to be real oil and not synthetic. That is the oil my dealer put in at my last oil change in July. So, I will go to Walmart at get the equivalent, Super Tech SAE 15W-40 Heavy Duty.
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Old 03-15-2020, 12:38 PM   #9
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I use the Shell Rotella T-5 in my 2008 Cummins. I think most would agree the Rotella brand is a great oil for diesel engines whether you use the natural oil (T-4), a blend (T-5) or full synthetic (T-6). I bought a dozen oil filters when I got the truck and still have a few left after using a garage from time to time. I change my own oil most of the time. I have had no engine related issues in 116,000 miles. I guess some would say the truck is just getting broken in. I am sure the body will give out before the motor does, but even the body is in close to new condition for now with limited winter driving and low miles (9,666 per year).
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Old 03-15-2020, 02:12 PM   #10
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I think full synthetic is the way to go and I've been using Rotella since Christ was a cadet. Advance Auto frequently has Rotella sales. Also, I don't believe MOPAR makes or blends their own oil, it is likely some other major brand under the label.
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Old 03-15-2020, 04:46 PM   #11
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Scheinin,


I will recommend you follow the advice of TowPro and get the Rotella t6 5W 40. Most important, 15W40 is not the same as 5W40 and Supertech is not the same as Shell Rotella. I have a 2001 Dodge Cummins at 136K and it uses very little oil after 6000 mi plus miles. In my case I have used the very expensive ($100 for 3 gallons) Chevron Delo XSP 5W40. Got my advice from a private mechanic that owned several Cummins and had a service contract w/ UPS trucks equipped w/ Cummins. Some of those trucks went 12,000 mi between changes and kept going on the Chevron Delo. Besides being pricey, the Chevron is hard to find hence my recommendation for Shell Rotella. Using the Chevron,some maintenance shops suggest you can go 10K between changes; I aim for 6K. You can't tell about it looks in the dipstick; looks dirty at 2K.


When it comes to diesels, all oil is not equal.
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Old 03-15-2020, 06:07 PM   #12
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Scheinin,


I will recommend you follow the advice of TowPro and get the Rotella t6 5W 40. Most important, 15W40 is not the same as 5W40 and Supertech is not the same as Shell Rotella. I have a 2001 Dodge Cummins at 136K and it uses very little oil after 6000 mi plus miles. In my case I have used the very expensive ($100 for 3 gallons) Chevron Delo XSP 5W40. Got my advice from a private mechanic that owned several Cummins and had a service contract w/ UPS trucks equipped w/ Cummins. Some of those trucks went 12,000 mi between changes and kept going on the Chevron Delo. Besides being pricey, the Chevron is hard to find hence my recommendation for Shell Rotella. Using the Chevron,some maintenance shops suggest you can go 10K between changes; I aim for 6K. You can't tell about it looks in the dipstick; looks dirty at 2K.
When it comes to diesels, all oil is not equal.
Well, since the owner's manual for my 2015 RAM 3500 dually diesel, says use 15W40, and that is what the RAM dealers put in each time I have an oil change, I think I will stick with that.
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Old 03-15-2020, 06:17 PM   #13
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Well, since the owner's manual for my 2015 RAM 3500 dually diesel, says use 15W40, and that is what the RAM dealers put in each time I have an oil change, I think I will stick with that.
Your manual also says you can use 5w-40 synthetic.
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Old 03-15-2020, 08:27 PM   #14
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I use Rotella T6 for my '05 Duramax. I think it's the best buy for the money. WalMart has it for $56 for the 10 quart size for my engine. Mobil 1 is a great oil but expensive.

The black color in diesel engine oil is due to the blow-by in the compression/oil rings in a diesel. The blow-by is necessary due to the high compression ratios that diesels require to develop the torque to do the job, otherwise the engine would sieze.
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Old 03-15-2020, 08:49 PM   #15
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Right out of the 2015 manual.



In ambient temperatures above 0°F (-18°C), we recommend you use15W-40 engine oil such as MOPAR®, Shell Rotella®and ShellRimula®that meets Chrysler Materials Standard MS-10902 and theAPI CJ-4 engine oil category is required. Products meeting Cummins®CES 20081 may also be used. The identification of these engine oils is typically located on the back of the oil container.In ambient temperatures below 0°F (-18°C), we recommend you use 5W-40 synthetic engine oil such as MOPAR®, Shell Rotella® nd ShellRimula® that meets Chrysler Materials Standard MS-10902 and theAPI CJ-4 engine oil category is required.


since they can't control what geo location each each engine is going, they are shipped with 5w40.


remember the first number is when the oil is cold, the 2nd number is when the oil is hot
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Old 03-15-2020, 09:37 PM   #16
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Your manual also says you can use 5w-40 synthetic.
Mine does not.
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Old 03-15-2020, 10:07 PM   #17
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Mine does not.
The 2015 Ram manual I just looked at online does.
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Old 03-15-2020, 11:41 PM   #18
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The 2015 Ram manual I just looked at online does.
My manual says:

754 MAINTAINING YOUR VEHICLE

Engine Oil Viscosity — 6.4L Engine
Use Pennzoil Ultra 0W–40 engine or equivalent MOPAR
oil meeting the FCA US Material Standard MS-12633 for
use in all operating temperatures.
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine Compartment”
in this section.
Synthetic Engine Oils
You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended
maintenance intervals for oil and filter changes
are followed.
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Old 03-16-2020, 02:58 AM   #19
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Shell also makes T6 15w-40 full synthetic now. Just used that during my last oil change. I was using T5 semi-blend before. I am in the South...so the cold is not an issue.

You can order it from Walmart for ~$20 per gallon...or find it in the store sometimes.

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Old 03-16-2020, 04:15 AM   #20
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I will admit I don't know what oil is in my Ram Cummins, I just take it to my dealer for oil change which cost me $45 by buying an ol change contract. otherwise it would be $65. I think a gallon of synthetic oil would be close to the $45
Rotella t-6 full synthetic at Walmart $22.47 Gal. I run it in my Honda 1300 VTX motorcycle for 5 years now.
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