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Oil Change

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Daren
1st Mate

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USA
81 Posts

Initially Posted - 12/04/2006 : 12:58:16

What type of oil should I put into my diesel engine for winter storage? Also, will this new oil (after the oil change) be ther same oil I change out next winter? Meaning, do you change your oil again once you are finished storing your boat for the winter.

S/V Prima Donna
1986, 15 HP Universal Inboard Diesel, Fixed keel, Hull # 5362

Edited by - on

Steve Milby
Past Commodore

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USA
5896 Posts

Response Posted - 12/04/2006 : 13:16:51

Everyone I know with a diesel changes their oil only once a year, in the fall, when they winterize. If you use the engine much more than 50 hours in a year, then the most common recommendation is that you change it every 50 hours. Use whatever oil the engine manufacturer recommends.

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At Ease
Admiral

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672 Posts

Response Posted - 12/04/2006 : 13:47:50

What Steve said.

Yanmar recommend Shell Rotella 15w40. BE SURE you get oil for diesel engines not gas engines. Rotella is good stuff, I put it in my truck, too.

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Daren
1st Mate

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USA
81 Posts

Response Posted - 12/04/2006 : 15:13:44

Thanks, guys! I am still looking for the manual on my engine, but I found the Universal webpage and I think my engine is either a M-11 or M-12...

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Kip C
Navigator

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USA
243 Posts

Response Posted - 12/04/2006 : 16:21:25

According to my manual, they say SAE 30 or 10w40 for diesels,

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 12/04/2006 : 20:39:58

Chevron Delo is also an excellent Diesel-rated oil. Usually available at outfts like Costco.

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Johnny Whaler
1st Mate

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30 Posts

Response Posted - 12/04/2006 : 21:55:27

I run nothing but Mobil 1 in all my engines- gas and diesel. I have several large diesel machines and if you look at the label on the mobil one jug it is approved for diesels. I run it in everything from my 4 stroke kicker engine, ATV, motorcycle, cars, pick up to my Kubota diesel and everything in between. The Shell 15/40 is also an excellent conventional oil if you prefer. Lots of people believe in myths about synthetic oil. It does not make oil leaks. My 2002 silverado with 150,000 miles all pushing, towing or plowing is proof. You can use conventional oil and switch to synthetic. I run it in my wife's car with a turbo and started running it after 50K when we bought it.

Mobil 1 is expensive but for the little bit of oil these engine hold it's nice to know there is good stuff in there.

Bottomline is if you do as Steve says and run diesel rated oil and change it every 50 you can run the Walmart oil in there. The key is changing it. Don't panic if it goes black quickly after changing it either. This is the ay diesels are. The sulphur gets the opil dirty quickly.

Just a suggestion about winterizing...I would be sure to run some Power Service disel winter treatment (white bottle) found just about anywhere. Follow the instructions on the jug. This is good stuff to keep your fuel good over the winter. Cold and fuel filters don't mesh well. This Power Service is great stuff and will keep your fuel fresh for the spring launch.

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Kip C
Navigator

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USA
243 Posts

Response Posted - 12/04/2006 : 22:13:13

Now that you mention it, I believe the Universal/ Westerbeke is a marinized Kubota.

Edited by - Kip C on 12/04/2006 22:15:58

ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 12/05/2006 : 09:09:07

"label on the mobil one jug it is approved for diesels"

Mobil 1 is approved for light-duty diesels only. While it would probably work just fine in that little Universal, I'd opt for Rotella synthetic (CH-4 rated) if you want to go with a 'synthetic'. You probably couldn't buy anything better for a Diesel.

I have (4) diesels, all with big crankcases so I use Delo. I'd have to take a loan out to fill them all with the syntetic Rotella.

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dblitz
Navigator

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240 Posts

Response Posted - 12/06/2006 : 19:26:51

There are people that know more about diesel oils than I and I´m sure that the synthetic recommendations are good. As a matter of fact, I think I´m going to try the Rotella next year. All this year I´ve used SAE 30 HD. Make sure it says HD.
My engine has about 420 hours on it and it´s an 86 so it has had very little use. I changed the oil/filter this year in June, when the boat was splashed for the first time after purchase, in August again did oil/filter and in October prior to haulout, just the oil. My oil pan has a hose on it with a threaded fitting on the end. I attach a shortened fuel tank hand pump hose to this fitting and drain the oil out into a 2 liter soda bottle. Then I remove the oil filter and let it fall into a very large plastic bag that I have previously spread out underneath as best I can. I should also mention that I put one of those oil absorbent pads underneath that part of the engine first. For an oil filter I use a Bosch oil filter that is just a little shorter (will have to let you know the model no.)than the one that was on my boat originally.
The original oil filter was IMPOSSIBLE to take out of the engine area once it was unscrewed. Ok not impossible just very, very difficult. Actually, it involved crawling into the port cockpit locker.
Ok, so you screw in the new oil filter making sure the rubber seal is wet with oil, you make sure your oil pan hose or drain plug is closed and then you have to put the new oil in. For this I use an extension gizmo that I buy at AutoZone for about 5 bucks. It has a fitting that screws right into the oil container with an on/off twist feature and about 18 inches of clear tubing that you put into the oil fill hole at the top of engine. While this works great for me, a length of clear tubing slightly longer (maybe 24 or even 30 inches) might work even better and I´m going to look into lengthening this tubing next year. Obviously even though I´m on a business trip overseas, I have some free time this evening.

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At Ease
Admiral

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672 Posts

Response Posted - 12/07/2006 : 12:21:43

Plain HD oil is not for diesels...unless it's rating starts with a C. The letter C (first letter) is used for diesel motor oil and S is used for gas engines. Most diesel oil will be CC, CD, CE, CF4, etc. The C stands for compression ignition and the S stands for spark ignition.

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dblitz
Navigator

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240 Posts

Response Posted - 12/07/2006 : 20:27:27

Bert, thanks for the clarification. I´m going to go to my boat and see if I´ve been using the right oil.

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