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  1. #1
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    Sep 2018
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    Thumbs up Rodman 900 2003 (Which Volvo Penta to buy? )

    Hi folks!

    Moving from petrol outboard to inboard diesel. Am looking at the Volvo Pentas that all seem to come with the boat I am after. ( Rodman 900 - 2000 to 2005 range). Will be doing trolling mostly at 5kts.
    Piticular engine that i should be after? KAMD300, KAMD43 etc

    Also reading do the superchargers come in when trolling at 5kts

    Thanks for your help with this!

  2. #2
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    Jun 2008
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    Default Re: Rodman 900 2003 (Which Volvo Penta to buy? )

    Superchargers are a pain for trolling. You can however put a switch in the circuit to turn off the supercharger clutch and keep it disengaged. You would probably want to do this to stop it cutting in and out when you don't want it to. Personally I would go for the KAMD43 over the KAMD300 for reliability.

  3. #3
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    Sep 2018
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    Ireland
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    Default Re: Rodman 900 2003 (Which Volvo Penta to buy? )

    Thanks for your time to reply! I’ve been since told to aim at the Volvo penta D4 model? Saw a boat which was reasonably priced with 3600 hours up on the engines. Do I run a mile from this?

  4. #4
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    Default Re: Rodman 900 2003 (Which Volvo Penta to buy? )

    Which hp model of the D4? They do them from I think 180hp to 300hp. Personally I wouldn't own a 300hp version. Too much HP from not enough engine IMO. Up to the 260 rating not so bad. still don't like the Kompressors though. The D4 will be more economic on fuel than the earlier engines, but the service bills for faults might be higher. It also makes you more reliant on Volvo agent servicing as you need the Volvo diagnostic tools for many things. I suspect that the KAMD43 will cost less to look after and you won't have to be as committed to Volvo servicing. I personally wouldn't buy a pair of D4's at 3600hrs unless I knew a lot about their history. If they were the 180 or 210hp versions with perfect service history and recent cooler cleans etc then I might think about it. Some of the D series engines are an issue to rebuild so you might want to check the D4 for that. If you own a Volvo you really don't want to end up doing too many repairs as they can get pretty expensive.

    Of the choices so far I would prefer a pair of KAMD43's with lower hours and good maintenance records if possible. I think the D4 is one of Volvos better electronic marine diesels so I am not trying to put you off that, just point out that any issues might get expensive. General thinking is that the D4's might be around 5000hours of life span in normal recreational use. Could be a lot more in commercial use if looked after properly, and could also be more in recreational use at the lower hp ratings. The 3600hr ones could get you a cheap boat, but unless a lot of major servicing can be proven to have been recently performed I would throw part of the savings straight back into bringing all the maintenance perfectly up to date. I would also do a pretty careful inspection before purchasing.

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