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Old 03-16-2020, 04:23 AM   #21
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Originally Posted by Scheinin View Post
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.
You do know Super Tech is entry lever oil right?
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Old 03-16-2020, 04:29 AM   #22
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Quote:
Originally Posted by Scheinin View Post
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.
Mopar Part No.: 68024967PC
OIL-15W40


Your manual says 0W-40 but you have been using 15W-40. Who's on first. Go with Rotella T6 15W-40. I run it in my 1300 Honda VTX1300 for 5 years and 50,000 miles.
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Old 03-16-2020, 04:41 AM   #23
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Originally Posted by W5CI View Post
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 Rotella T6, 5W-40 is $22.46 at Wallys place.

I do my own maintenance and engine holds 10 quarts so your $45 price is less than I can buy just my oil for.
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Old 03-16-2020, 06:39 AM   #24
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oil for 3500 Ram

Quote:
Originally Posted by Scheinin View Post
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.
This manual is for the 6.4 Hemi not the 6.7 Cummins Diesel
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Old 03-16-2020, 06:52 AM   #25
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Quote:
Originally Posted by Scheinin View Post
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.

in post 1 you said you need oil for your Diesel. a Cummins diesel engine is a 6.7l.

A 6.4L is a gas engine.
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Old 03-16-2020, 07:04 AM   #26
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Quote:
Originally Posted by Scheinin View Post
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.
I assume your truck has two manuals, one for the truck, which includes a gas engine, and another Diesel Supplement. Look in the Diesel Supplement to get the correct information.

The information regarding a gasoline engine in the main manual Is NOT applicable to your Cummins engine!

Diesel engines require oil specifically formulated for Diesels. The additive package for them are significantly different than oil for gassers.
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Old 03-16-2020, 09:09 AM   #27
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Quote:
Originally Posted by Scheinin View Post
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.
That isn't the Cummins engine, since 2007. 5 and up the engine size has been 6.7L in line 6 cylinder used in the Dodge/Ram trucks.

At the last two Cummins rallies that I have attend in 2013 and 2019, the Cummins and the Ram engineers have stress to us to use 5W-40 synthetic oil in the engine. Cummins has also stated all engines built since 2013 have been shipped with synthetic oil from the factory.
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Old 03-16-2020, 09:59 AM   #28
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Quote:
Originally Posted by Jim34RL View Post
That isn't the Cummins engine, since 2007. 5 and up the engine size has been 6.7L in line 6 cylinder used in the Dodge/Ram trucks.

At the last two Cummins rallies that I have attend in 2013 and 2019, the Cummins and the Ram engineers have stress to us to use 5W-40 synthetic oil in the engine. Cummins has also stated all engines built since 2013 have been shipped with synthetic oil from the factory.

Correct!!!
These engines are not designed to run on 'dino oil' plus they can go up to 25,000 kms between changes which would be impossible on conventional oil.

Rotella or Amsoil are my oil of choice.
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Old 03-16-2020, 12:53 PM   #29
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Quote:
Originally Posted by Scheinin View Post
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.
As others have also stated, my post with the picture of the manual, came from the diesel supplement.
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Old 03-17-2020, 12:36 AM   #30
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Quote:
Originally Posted by babock View Post
As others have also stated, my post with the picture of the manual, came from the diesel supplement.
Thank you, I misspoke. This is for the 6.7 diesel, from my diesel supplement:



In ambient temperatures above 0°F (-18°C), we recommend
you use SAE 15W-40 engine oil such as MOPAR,
Shell Rotella and Shell Rimula that meets FCA US
Material Standard MS-10902 and the API 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), SAE 5W-40
we recommend you use synthetic engine oil such as
MOPAR, Shell Rotella and Shell Rimula that meets FCA
US Material Standard MS-10902 and the API CJ-4 engine
oil category is required.

Traveling around the country, I am never in an area below O degrees. Therefore I use SAE 15W-40, stated in my original post.
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Old 03-17-2020, 03:50 PM   #31
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Quote:
Originally Posted by Scheinin View Post
Thank you, I misspoke. This is for the 6.7 diesel, from my diesel supplement:



In ambient temperatures above 0°F (-18°C), we recommend
you use SAE 15W-40 engine oil such as MOPAR,
Shell Rotella and Shell Rimula that meets FCA US
Material Standard MS-10902 and the API 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), SAE 5W-40
we recommend you use synthetic engine oil such as
MOPAR, Shell Rotella and Shell Rimula that meets FCA
US Material Standard MS-10902 and the API CJ-4 engine
oil category is required.

Traveling around the country, I am never in an area below O degrees. Therefore I use SAE 15W-40, stated in my original post.
Yes but the synthetic version works for ALL temps. I always use synthetic oil whenever I can. As others have stated, you can also find 15W-40 synthetic that has the ratings required for your engine.
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Old 03-17-2020, 06:40 PM   #32
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I called Cummins when FCA couldn't tell me what oil was installed at the factory in my '19, though he wouldn't commit to the fact that they fill them at Cummins Rather than at the Ram factory he did tell me they use and recommend Valvoline Premium Blue 5W-40. My manual also says Mopar or Shell (though 10W-30 for 0 and above) I'm probably going to go with Cummins recommendations. Even if I go with Shell Rimula I'd still go with the 5W-40 it's good up to the same temp as 10W-30 and 15W40 but also good down below zero. It rarely gets that cold here but if it does I'm covered and it came out of the mouth of someone at Cummins not Ram.
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Old 03-17-2020, 07:01 PM   #33
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Quote:
Originally Posted by Scheinin View Post
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.
I thougt the RAM diesel was a 6.7L. There is a gas 6.4L.
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Old 03-17-2020, 07:27 PM   #34
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Old 03-23-2020, 06:37 PM   #35
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Amsoil Signature Series oil for diesel. And their Ea filter.
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Old 03-23-2020, 07:40 PM   #36
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Valvoline Premium Blue here 300,000+ still going strong. 7500 oil & Fleetguard filter cycle.
I may appear cynical but dealers are in business to sell vehicles not change their oil & maintain them.
Any cummins service (oil, filters, lube, & fluids) under a Benjamin is suspect. I spend $75+ a case for the oil alone, on Amazon.
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Old 03-23-2020, 08:02 PM   #37
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TSC had Valvoline Premium Blue 15-40 on sale for 11.99 per gallon. I bought 9 gallons. Cummins has a tsb out about C J4 oil being permitted but CK is recommended. The CK4 oil spec has some specs that relate especially to the Cummins ISB and ISX engines. I’m going to run dino 15-40 in mine because 20 degrees is record lows for us. If the oil meets or exceeds the CK4 specs and CES 20086 it’s good to go. The brands and colors of jugs are for the owners. The ISB Cummins is not picky at all about what brand is used. Look at all the third world countries where they use what ever rendition of motor oil they have.
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Old 03-23-2020, 08:05 PM   #38
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Just roll into your local dealership and pickup what you need.
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Old 03-23-2020, 11:17 PM   #39
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6.4l

Just to be clear, the 6.4l engine is not a diesel engine. the Cummings diesel is a 6.7l.


Quote:
Originally Posted by Scheinin View Post
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 03-24-2020, 02:37 AM   #40
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Quote:
Originally Posted by Jim34RL View Post
At the last two Cummins rallies that I have attend in 2013 and 2019, the Cummins and the Ram engineers have stress to us to use 5W-40 synthetic oil in the engine. Cummins has also stated all engines built since 2013 have been shipped with synthetic oil from the factory.
Cummins does not fill (oil) engines destined for Saltillo. FCA (Ram), has, since about 2013, filled the engines with a Shell product. That's when they punted Exxon/Mobil out of bed and cuddled up with Shell.

For MY 18 and back to 13, factory fill was 15W-40 and interwebs intel suggests that it was Rotella T5 Semi-syn.

For MY 19, FCA switched gears and shipped the trucks with 10W-30. It is, anecdotally, Rotella T5 Semi-syn.

The Cummins engineers at the rally were perhaps pushing the envelope?
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