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Old 05-11-2019, 15:10   #1
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Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

Hi dear colleagues!

Maybe someone was dealing with these engines.

We want to install a Yanmar 75 on aluminum 12 ton 44 ft boat, and also thinking about Volvo D2-75 or D2-60 (perhaps rather weak). Yanmar is little bit expensive than Volvo.

Some argue that Yanmar is more economical than Volvo and its parts are cheaper. Is it so?

Cheers!
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Old 05-11-2019, 15:44   #2
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

Quote:
Originally Posted by yachtodyssey View Post
Hi dear colleagues!

Maybe someone was dealing with these engines.

We want to install a Yanmar 75 on aluminum 12 ton 44 ft boat, and also thinking about Volvo D2-75 or D2-60 (perhaps rather weak). Yanmar is little bit expensive than Volvo.

Some argue that Yanmar is more economical than Volvo and its parts are cheaper. Is it so?

Cheers!
What kind of 44' aluminum boat?

My 43' 8 ton boat is overpowered with 34HP 3JH2E, but we mostly sail anyhow.

I 've found what Yanmar parts I've ever needed, (very very damn few in 26 years) to be inexpensive if purchased through USA Yanmar dealers and shipped to my location. For instance I just bought a starter for $84.
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Old 05-11-2019, 15:44   #3
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

As a surveyor I see more Yanmars than Volvos in yachts here in Queensland. Volvo gave itself a bad name with a couple of engine models. I don't think the price of parts should be an issue with a new motor. Really I would not expect to buy more than filters, oil, impellers and belts for at least 3 or 4000 hours?
I agree about the engine size being a bit big maybe? I surveyed a Lord Nelson 41 yesterday and that had a Yanmar 55hp Yanmar 4JH
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Old 05-11-2019, 16:29   #4
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

You will need to consider whether your existing electrical system is "insulated earth/ above ground". If you buy a Yanmar it costs about $1,000 to convert to insulated earth. I don't know whether the new Volvo engines have the option available as in the past but it's definitely an issue for alloy boat repowers.
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Old 05-11-2019, 16:35   #5
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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I agree about the engine size being a bit big maybe? I surveyed a Lord Nelson 41 yesterday and that had a Yanmar 55hp
"Where is GordMay?"

Thank you! In your opinion, would 55hp or 60hp be sufficient for such aluminum blue water boat? I also do not want to pay more, but Van de Stadt put 75 Yanmar hp in the project. I often delivery boats through difficult areas in early spring and late autumn and sometimes it seems that the extra 15 horses will be perfect. On the other hand, I do not want to overpay for unnecessary power. And so we live: greed fights with fear)))
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Old 05-11-2019, 16:38   #6
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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What kind of 44' aluminum boat?

.

Thank you ! She is Van de Stadt Madeira 44 alluminium blue water cruiser (multi chine hull) 12 t displacement. https://www.stadtdesign.com/designs/...ail/madeira_44
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Old 05-11-2019, 16:56   #7
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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Originally Posted by skipperpete View Post
in the past but it's definitely an issue for alloy boat repowers.


Thank you! That what we keep in mind, but now we try to collect more information. You are absolutely right, isolation from electrics and galvanic corrosion is an important issue.
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Old 06-11-2019, 10:43   #8
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

IMO both Yanmar and Volvo are an issue with both parts availability and cost.

My solution was Beta marine. It is a Kubota based conversion so parts are available from tractor dealers all over the world. Anytime you have a product specifically for marine use you have limited availability and higher cost.

My 12 ton 44 footer has had a Beta 50 (BV2203) since 2003 and I have been very happy with it. It is a fiberglass boat so I am not familiar with electrical isolation issues.

After about 4500 hours maintenance has been minimal. Replaced fuel injectors once and probably will do again this winter. Rebuilt sea water pump. Checked valve clearance a few times. Descaled the heat exchanger core once.

PS. I have no affiliation with Beta, just a satisfied customer.
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Old 06-11-2019, 10:56   #9
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

Thank you ! What you think - 55hp enough for heavy weather on you 12t boat or you need more ?
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Old 06-11-2019, 11:10   #10
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

In my opinion 50 hp will be adequate. My logic is that it is better to load the diesel adequately 95% of the time and not be able to reach hull speed 5% when wind, waves and current are foul. I had a 13t fully laden with a 43hp and I never felt under powered, but that's me.

Absolutely critical that the engine be completely isolated earth. In my experience the starter/solenoid is often overlooked.
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Old 06-11-2019, 11:43   #11
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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Originally Posted by yachtodyssey View Post
Thank you ! What you think - 55hp enough for heavy weather on you 12t boat or you need more ?
50 hp is very good for my 12 ton 44 footer. In flat water it can push the boat at 7 knots. In heavy weather of course it depends on the conditions - I have been much happier with the current performance than with the old engine. The 50 replaced a Perkins 4-108 which was under powered for my boat. The 4-108 is really about 35-40 hp despite the marketing literature.

What engine do you have now and how well does (did) it do for you?
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Old 06-11-2019, 11:49   #12
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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In my opinion 50 hp will be adequate. My logic is that it is better to load the diesel adequately 95% of the time and not be able to reach hull speed 5% when wind, waves and current are foul. I had a 13t fully laden with a 43hp and I never felt under powered, but that's me.

Absolutely critical that the engine be completely isolated earth. In my experience the starter/solenoid is often overlooked.

Thank you so much ! Your experience is important to me!
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Old 06-11-2019, 11:56   #13
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

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50 hp is very good for my 12 ton 44 footer. In flat water it can push the boat at 7 knots. In heavy weather of course it depends on the conditions - I have been much happier with the current performance than with the old engine. The 50 replaced a Perkins 4-108 which was under powered for my boat. The 4-108 is really about 35-40 hp despite the marketing literature.

What engine do you have now and how well does (did) it do for you?


At the moment, we decide which one to install.

Project creator Van De Stadt design says that Yanmar 75 should be installed. My experience with 10 years yacht deliveries says that 75 hp are quite large and not economical, I am inclined to 4JH57 57 hp, on the other hand I have never had aluminum boats, and Van De Stadt is building from already 50 years old.
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Old 06-11-2019, 12:52   #14
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

I have a Jeanneau 43ds (about 12 tonnes) which was factory fitted with the 4JH4-TE (75hp). you could take the same Yanmar engine without the turbo which will give you 48hp but the size of the engine is the same . I would go for the turbo version.
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Old 06-11-2019, 13:04   #15
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Re: Yanmar 4jh4-TE 75hp vs Volvo Penta D2-75 (or D2-60)

44”LOD, 37’LWL, 40,000 pounds. Yanmar 4JH4-TE - 72hp?

I’m frequently running 1,800 to 2,100 rpm, we have some shaft lash above that point. The only time I’m using the full HP is when I’m aground and trying to get it, or when maneuvering and making heavy use of prop walk, full keel.

The turbo crapped out at about the 2,000 hours, needed bearing from Japan. Took a few weeks to get. Once for other reasons needed a head gasket, that also had to sourced from overseas. Mixing elbow failed, crap welding, Yanmar wants about $700. I found a far superior after market elbow for about $400. Oil filters MUST be Yanmar.

No comment Yanmar vs. Volvo, no Volvo experience.
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