Official Caterpillar3116/3126 Thread

"Ambient temperature" in this situation is not the temperature of the air the boat sits in……..it is the air around the engine in the engine space of the boat.

In 95˚ Florida air, the temperqturew in the negine room on my 450DA was more like 125˚…………everyone uses either 15W-40 or SAE 40.
 
Curious:

Ambient air temp is a bigger factor when operating a truck, school bus or a piece of equipment utilizing a radiator to remove the heat with air.

In our case, water to water heat exchangers are doing that job.

The water down here in Florida can, at times be very, VERY warm, say as compared to Michigan.

So a day with 85 degree air temp in Michigan vs 85 degrees in FL is certainly creating a totally different environment.

I want to keep my intakes & aftercooler CLEAN - so sown here in SW FL, I'm sticking with the straight weight 40

Just MHO.

BEST!

RWS - still dealing with the aftermath of the eye of CAT 4 Ian
 

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kvduff said:
Just can’t get past these notes? Maybe I’m dense and am missing something.
Click to expand...
The link opens up the entire PDF on my CPU using Chrome.
 
fwebster said:
"Ambient temperature" in this situation is not the temperature of the air the boat sits in……..it is the air around the engine in the engine space of the boat.

In 95˚ Florida air, the temperqturew in the negine room on my 450DA was more like 125˚…………everyone uses either 15W-40 or SAE 40.
Click to expand...
Good point, makes sense.
 
kvduff said:
Hi Frank,
I trust your expertise and don't want to appear argumentative, I just want to make sure I understand things clearly.
After a less than convincing phone call with the local cat dealer, and conflicting information I began to read over the SEBU you posted. Can you help me understand if I am interpreting these footnotes correctly?
(page 27) "Cat Special Application Engine Oil (SAEO), API CF oil of SAE 30 and SAE 40 viscosity grades is recommended for use in 3116 and 3126 marines engines"
Page 7 Note: Cat offers Special Application Engine Oil (SAEO), of SAE 30 and SAE 40 viscosity grades that fullfills all the requirements of API CF category oil. These oils are recommended for use in 3116 and 3126 marine engines only.
Page 11 Note: API oil category CF is obsolete. The API (American Petroleum Institute) does not license this category effective end of 2010. API does not validate the quality of API CF oils and does not allow the display of API symbol (also called API doughnut) with CF as highest claim on the oil container. Oils that claim the requirements of API CF can be used ONLY in Cat Series 3112 and Cat Series 3126 Marine Engines and in 3600 engine models per the OMM of these engines. Refer to the details given in the Marine engine section in this Special Publication.
Click to expand...


I'm not offended and am not in a position to argue since this can of worms Caterpillar have given us can be confusing. I Just hope this doesn't add to the confusion:

First, I am not concerned with SAEO and that point isn't worth discussing because you cannot even buy it now. The parts guy I use at Thompson Cat in Nashville told me I asked for "unobtainium" when I asked if he had any SAEO in inventory. It no longer shows up on their "Available To Order" list.

API ratings are backwards compatble so Rotella-1 which is rated CF, CF-2. CF-2 is ok but CF-2 is for only for 2 stroke engines which means you shouldn't use it in 3116/3126 engines.


The safest approach is to follow table 1, page 6; and, table 4, page 10 on SEBU6250-31.

Cheat sheet: Caterpillar strongly recommends DEO-ULSD (preferred) or DEO rated CI-4 in 15W-40 since they are developed and optimized for use in Cat engines. Some retail oil distributors are now handling Cat oils.

As a second choice, commercial oils with API CK-4 rating or which meet Caterpillar requirements of ECF1, ECF-2 and or ECF-3 are acceptable.

and, as a third choice, API CJ-4, CI-4, CI4-plus, CH-4 but do not meet any Cat ECF specification.

Unfortunately, Shell's reformulation of Rotella-T-1, SAE-30 & SAE-40 don't meet any of the above specs for any Caterpillar engines not involved in the construction industy.

However, if for some reason, you are determined to not use Caterpillar products, Shell Rotella T-4 15w-40 meets Cat ECF-2, and ECF-3, and API CK-4, CJ-4 and Chevron Delo 600 ADF 15W-40 meets or exceeds Cat ECF-3 and API CJ-4, CK-4, so both are aceptable for the oil requirements Cat published in 2/2022 and are second only to DEO-ULS.



 
This conversation is exhausting lol

my engines are being put away with T1 30w in them at this point. I’ll continue to follow along and see what the overall sentiment is for next spring. If I have to drain the oil and put DEO-ULS in, so be it…

I think we all agree we just want to continue to do what’s best for the engines and it’s too bad saeo is discontinued.
 
"Shell Rotella T4 Triple Protection 15W-40 diesel engine oil provides exceptional wear protection for longer life in a wide range of heavy-duty engines— from diesel pickup trucks to tractors to tractor trailers. It uses advanced additive technology for superior engine cleanliness throughout the oil drain interval to protect under the most severe engine conditions found in modern, low-emission engines and older hard-working diesel engines. Shell Rotella T4 15W-40 engine oil provides deposit control that helps keep engines clean for optimum performance and long life. It effectively sustains emissions control system durability where diesel particulate filters and after-treatment systems are used. Plus, it provides enhanced protection against viscosity loss due to shear and improved oil aeration compared to the previous formulation. Shell Rotella T4 Triple Protection 15W-40 is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, diesel pickup trucks, including high-power vehicles where resistance to increased heat and stress is required. Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 Plus, CI-4, CH-4; ACEA E9; Allison TES-439; JASO DH-2, MA, MA2. Exceeds the requirements of the following OEM specifications: Caterpillar ECF-2, ECF-3; Cummins CES 20086, 20081; Detroit Fluids Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; Ford WSS-M2C171-F1; MACK EO-S 4.5, EO-O Premium Plus; MAN M3575; MB-Approval 228.31; MTU Category 2.1; Volvo VDS-4.5, VDS-4. "

Hmmm, price is right as well
 
Thank you for taking the time to explain all of that as thoroughly and as simply as you did. I’ve got some t-1 rotella heading back to Walmart! Local cat dealer doesn’t stock the deo, I will call and ask to order. Really appreciate the time you take to help all of us.
fwebster said:
I'm not offended and am not in a position to argue since this can of worms Caterpillar have given us can be confusing. I Just hope this doesn't add to the confusion:

First, I am not concerned with SAEO and that point isn't worth discussing because you cannot even buy it now. The parts guy I use at Thompson Cat in Nashville told me I asked for "unobtainium" when I asked if he had any SAEO in inventory. It no longer shows up on their "Available To Order" list.

API ratings are backwards compatble so Rotella-1 which is rated CF, CF-2. CF-2 is ok but CF-2 is for only for 2 stroke engines which means you shouldn't use it in 3116/3126 engines.


The safest approach is to follow table 1, page 6; and, table 4, page 10 on SEBU6250-31.

Cheat sheet: Caterpillar strongly recommends DEO-ULSD (preferred) or DEO rated CI-4 in 15W-40 since they are developed and optimized for use in Cat engines. Some retail oil distributors are now handling Cat oils.

As a second choice, commercial oils with API CK-4 rating or which meet Caterpillar requirements of ECF1, ECF-2 and or ECF-3 are acceptable.

and, as a third choice, API CJ-4, CI-4, CI4-plus, CH-4 but do not meet any Cat ECF specification.

Unfortunately, Shell's reformulation of Rotella-T-1, SAE-30 & SAE-40 don't meet any of the above specs for any Caterpillar engines not involved in the construction industy.

However, if for some reason, you are determined to not use Caterpillar products, Shell Rotella T-4 15w-40 meets Cat ECF-2, and ECF-3, and API CK-4, CJ-4 and Chevron Delo 600 ADF 15W-40 meets or exceeds Cat ECF-3 and API CJ-4, CK-4, so both are aceptable for the oil requirements Cat published in 2/2022 and are second only to DEO-ULS.
Click to expand...
 
mrsrobinson said:
"Shell Rotella T4 Triple Protection 15W-40 diesel engine oil provides exceptional wear protection for longer life in a wide range of heavy-duty engines— from diesel pickup trucks to tractors to tractor trailers. It uses advanced additive technology for superior engine cleanliness throughout the oil drain interval to protect under the most severe engine conditions found in modern, low-emission engines and older hard-working diesel engines. Shell Rotella T4 15W-40 engine oil provides deposit control that helps keep engines clean for optimum performance and long life. It effectively sustains emissions control system durability where diesel particulate filters and after-treatment systems are used. Plus, it provides enhanced protection against viscosity loss due to shear and improved oil aeration compared to the previous formulation. Shell Rotella T4 Triple Protection 15W-40 is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators, diesel pickup trucks, including high-power vehicles where resistance to increased heat and stress is required. Meets or exceeds the following industry requirements: API CK-4, CJ-4, CI-4 Plus, CI-4, CH-4; ACEA E9; Allison TES-439; JASO DH-2, MA, MA2. Exceeds the requirements of the following OEM specifications: Caterpillar ECF-2, ECF-3; Cummins CES 20086, 20081; Detroit Fluids Specification (DFS) 93K222, 93K218; Deutz DQC III-10 LA; Ford WSS-M2C171-F1; MACK EO-S 4.5, EO-O Premium Plus; MAN M3575; MB-Approval 228.31; MTU Category 2.1; Volvo VDS-4.5, VDS-4. "

Hmmm, price is right as well
Click to expand...
That’s the link I posted that started all this!!!!!

I need cliff notes
 
fwebster said:
API ratings are backwards compatble so Rotella-1 which is rated CF, CF-2. CF-2 is ok but CF-2 is for only for 2 stroke engines which means you shouldn't use it in 3116/3126 engines.
Click to expand...

It's easy enough to switch to the new Cat oil. I don't want to speak for anyone else, but I think some of the "confusion" is that many previous CSR posts said that Shell Rotella T1 was a good oil for our engines, and now the message is that we shouldn't be using it. 'Nuff said.
 
I need to make a new winterizing setup, I used to borrow a friends who sold it with their boat

the strainer intake hose is 2” ID right?

i think the generator is 1”…
 
Taking this topic from the 400/410 Sundancer thread over here.

The elbow on the lower end of my port turbo oil return line was leaking when I purchased the boat. After a lot of trial and error we discovered that the elbow was cracked.

I ordered a new elbow, waited 2 weeks for it to ship from Russia. Installed it with all new gaskets and O-Rings at every mating surface.

Started the engine yesterday, and it STILL leaks. Much less now compared to the cracked fitting. It is leaking out the bottom of the elbow at a slow drip. Tightening slows the drip but does not stop it. I am at the point where I fear any further tightening will crack the elbow or snap the bolt so I am sort of stuck.

Wondering if anyone has run into this and found a solution.
 
Strecker25 said:
I need to make a new winterizing setup, I used to borrow a friends who sold it with their boat

the strainer intake hose is 2” ID right?

i think the generator is 1”…
Click to expand...
I'm curious to see what your setup looks like, I've been thinking about how I'll do mine since it'll be the first time for me. I was planning to disconnect the hoses at the seacock, then put them in a 5 gallon bucket, but there's not a lot of room back there for a bucket.

I was also thinking about using the same configuration I used to barnacle buster flush the coolers, connecting at the seacock.
 
Having read all the excellent comments in this thread, I'm going to go with Shell Rotella T4 Triple Protection 15W-40 diesel engine oil.

Now, when is the best time to change the oil, before winterization or in the spring after winterization?
 
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