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Mtu oil levels

Discussion in 'Engines' started by Jw-marine, Jul 18, 2014.

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  1. Jw-marine, Jul 18, 2014
    #1
    Jw-marine

    Jw-marine New Member

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    Hello everyone, the boat on working in is the first I've had with MTU main engines.

    Since joining the skipper has insisted that MTU told him to run the Mains with the oil level at roughly halfway if taking a measurement on the dipstick.

    In theory this won't be damaging the engine but would like to hear other peoples thoughts because I'd rather see the level at full for peace of mind and for good practice.

    Thankyou
  2. AMG, Jul 18, 2014
    #2
    AMG

    AMG YF Moderator

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    Don´t know what engines you have, but I am running all my engines, in cars, boats, lawn movers, at roughly half between the marks. They seems to like it, I never have to refill between oil changes...
  3. Carver38, Jul 18, 2014
    #3
    Carver38

    Carver38 Member

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    I'm gonna go out on a limb here and guess he has MTU engines.
  4. AMG, Jul 18, 2014
    #4
    AMG

    AMG YF Moderator

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    MTU is a brand, not an engine... Diesel Engines Overview: MTU Online

    I checked the 4000-series and they have a dipstick where you should be on the upper level...

    Attached Files:

  5. Capt J, Jul 18, 2014
    #5
    Capt J

    Capt J Senior Member

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    I have had a lot of MTU's where if you fill them up to the full mark at the end of the day they will be halfway. You can repeat this process over and over. But, on those engines if you leave them halfway they will stay that way. I've had many D.D., MTU's and others do this. I've noticed a good percentage of yachts are this way either due to running angle or installation angle of the engines themselves. I can't remember if MTU engines are hand scribed by the installer, or the dipsticks come pre-scribed from the factory. On Cat's they're scribed by the installer once installed in the boat and most times don't do this phenomenom.
  6. Jw-marine, Jul 20, 2014
    #6
    Jw-marine

    Jw-marine New Member

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    We have a set of MTU 2000 series 16v M94

    Managed to find the manuals and it's recommended that the oil level is between max and minimum so I guess in okay at halfway if that's how the skipper wants them to be run :)

    Going to try and get on the Mtu manufacturer course this winter so that will hopefully be interesting!

    Has anyone had experience with oil leaking on the rubber seal between the turbo intake and the air filter housing? It's a minor drip, mtu came and tightened the jubilee clips originally but it has persisted slightly! Any ideas? I don't want to tighten again incase I lose the thread on the jubilee clip
  7. Capt Bill11, Jul 21, 2014
    #7
    Capt Bill11

    Capt Bill11 Senior Member

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    What he said.
  8. Jw-marine, Jul 22, 2014
    #8
    Jw-marine

    Jw-marine New Member

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    Thankyou Captain Bill, just the answers I needed