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Suggestions for a generator change (diesel vs gas)

Old 04-07-2015, 06:21 PM
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Default Suggestions for a generator change (diesel vs gas)

I have given up on the generator that came on my boat. It is a 3.5kw, (Id rather not name the brand.)

In 8 months I have been able to put put 50 hours on it and thats using the boat a lot (lucky to be on it almost every weekend.

In this time I have gone throw 3 belts, 1 ECU, 2 capacitors. I just replaced the third belt only to have it run for 20 seconds and now it suddenly just stopped and its trying to start on its own.

I have room to put in a 5kw Westerbeke or a Kholer, Kholer being louder than Westerbeke. Out of both of these which is better?

Having said this, the big question is wether I should change to a diesel generator as I have a 15 gallon tank that was previously used as an auxiliary tank for 2 stroke oil....Since I have repowered to four strokes I might be able to use the tank for diesel.

So, is this not the right thing to do in order to open my possibilities for a much more reliable generator? are small diesel generators in the 5kw range much more reliable than gas???

any suggestions will be highly appreciated.
Old 04-07-2015, 07:22 PM
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Diesel gensets are the best. They are more durable and less problem all the way around. The problem I think you will find is that to get a "real" diesel generator - you will be looking at serious weight and serious money.

The kick is to find an 1800 rpm diesel instead of a 3600 rpm diesel. This is where I think you will have trouble. You can buy a 3 or 4KW diesel generator on the cheap, but it will be one of those 3600 rpm units that is just loud. Conversely - my old Kubota 15KW unit would run 6 days straight without being shut off and only burn 70 gallons of fuel. It would sing you to sleep with that low tone.

I know that there are Kubota 3 cylinder units that meet the specs and are probably 8KW. That's a bunch of weight. You probably need a 2 cylinder and I don't know if they make one that small.

Good luck though!
Old 04-08-2015, 07:32 AM
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thanks a lot for your input.

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