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MTU Series 60 vs Volvo D-12

Discussion in 'Engines' started by Capt Cole, Nov 16, 2020.

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  1. Capt Cole

    Capt Cole Member

    Joined:
    Jan 24, 2017
    Messages:
    122
    Location:
    Pittsburg CA
    I have been working with a client who has considered purchasing another power boat in the 60 ft. range. He has come across a few that peak his interest but seems to be in no rush. He asked for an opinion on 2005-2007 vessels equipped with Series 60 engines vs Volvo D-12. I have operated vessels with both and had no serious issues but, I have not had long term experiences with either.

    In no way do I want to ignite a feud between rival fans. I am just asking for opinions, good or bad, from experienced operators for each engine.

    Thanks in advance.
  2. Scott M

    Scott M Member

    Joined:
    Mar 9, 2016
    Messages:
    67
    Location:
    Annapolis, MD
    I had D12-800's for 6 years and put more than 1200 hrs on them. Very few problems. Contrary to what most people say...parts and service were easily available and not expensive. I have been told that a lot of long haul trucks use D12's and this helps supply and pricing. Never had any major problems. Oil leaks around pan and other seals typical and a nuisance. The series 60 gives an extra knot or two of top end speed, but fuel burn is 10-15% higher. I would recommend the Volvo based on my experience.
  3. Prospective

    Prospective Senior Member

    Joined:
    Sep 27, 2016
    Messages:
    232
    Location:
    New England
    I have Volvo Tamd74's which are the prior gen. I have no experience with the MTUs although understand the have a solid rep. My Volvos have been good motors with no major issues at 3000hr mark (knock on wood). But I have had to replace some parts. Recently I waited 3 weeks for an oil cooler to come from Europe. And I have another minor part on back-order as well. Perhaps parts supply is better with the newer motors. I've also found the parts are pretty expensive. I haven't done an engine for engine comparison but I've had techs comment on how expensive some of this stuff is. Finally, service really depends on where you are. Any competent diesel tech can swap obvious parts. But if you need something Volvo specific, perhaps electrical, or needing diagnostics with a Vodia tool then you'll need someone Volvo certified. And those folks are generally not as plentiful as some of the other major players like MTU, CAT, Cummins, etc.
  4. Capt Cole

    Capt Cole Member

    Joined:
    Jan 24, 2017
    Messages:
    122
    Location:
    Pittsburg CA
    Helpful information. The fuel burn and speed are what I would expect considering the difference in hp ratings.

    Thanks for the response.
  5. Capt Cole

    Capt Cole Member

    Joined:
    Jan 24, 2017
    Messages:
    122
    Location:
    Pittsburg CA
    We are fortunate to have a couple of Volvo certified shops in the area and have had reasonably good service from both. I do know for a fact that Volvo parts are pricey.
    Service for MTU hasn't been a problem and price for routine maintenance items is reasonable. So far, I haven't come across any real negatives for either motor as long as they have been well maintained.