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Old 08-02-2021, 15:31   #1
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Can you ID this single cylinder diesel?

I know this is a real long shot, but the boat came with a belt driven generator. It is driven by a very rusty single cylinder diesel. Looks bad but starts and runs good. Two pictures, one showing the front, there is a handle clipped on for manual start. The other is the back end, huge flywheel and starter.
Thought I had it made, found a manufacturer on the air filter can. Turns out it's the manufacturer of the air filter. It's a Japanese company. The dip stick and oil drain are labeled in English and Japanese.
The owner who installed it is dead and his wife has no idea.



Any help would be greatly appreciated.


Bob
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Old 08-02-2021, 16:58   #2
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Re: Can you ID this single cylinder diesel?

Pretty sure the base engine is a kubota EA300, or at least in the 'EA' series. Who the genset manufacturer is is more of a question; I know Phasor used them for a while and their color scheme was white...
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Old 09-02-2021, 07:28   #3
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Re: Can you ID this single cylinder diesel?

Thanks, that will give me something to work on. The generator is a Northern Tools 5KW unit, belt driven.
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Old 09-02-2021, 16:03   #4
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Re: Can you ID this single cylinder diesel?

All the EA300 literature shows the engine with a radiator. I guess someone "marinized" this one.
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Old 09-02-2021, 16:15   #5
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Re: Can you ID this single cylinder diesel?

It’s a kubota ,probably 7hp have made gen sets 12 and 240 volt marinizing with electric sw pump ,verry good units ⛵️⚓️
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Old 10-02-2021, 07:24   #6
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Re: Can you ID this single cylinder diesel?

water pump">Raw water pump is a March pump, plugs into one of the outlets on the generator.
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Old 10-02-2021, 08:29   #7
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Re: Can you ID this single cylinder diesel?

What exactly do you want to know? Again, the engine is almost certainly an EA300 or 330, the only problem I have with the identification is the cylindrical heat exchanger; most of the ones I've seen are rectangular.

Typically the way these are cooled is passively; the fresh water in the H/E is circulated via convection. The electric pump just circulates raw water through the HE and the exhaust manifold/elbow.

A manual is available here;

https://dieselparts.com.au/wp-conten...9/07/ea330.pdf

but it doesn't include the HE.

A call to a knowledgeable Kubota dealer might get you somewhere regarding specifics on who services or provides specific parts. It appears that they are still available; I bought a liner, rings, brgs etc. in 2013.

The only other question I'd have is if the output is correct, as the engine is only rated at 7.5 hp. It is entirely possible that someone cobbled the generator together from available parts; there are many such examples on the utube.
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Old 10-02-2021, 09:16   #8
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Re: Can you ID this single cylinder diesel?

I was looking for the ID for future reference. Also oil type, viscosity and capacity. Thanks for the manual. As I mentioned earlier, the generator is an off the shelf Northern Tools 5KW, belt driven unit. The engine and generator are mounted on a steel plate, not actually physically connected.
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Old 10-02-2021, 14:38   #9
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Re: Can you ID this single cylinder diesel?

You wont do any damage if you use 15w-40 diesel oil not meant for DPF equipped diesels.
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Old 10-02-2021, 14:59   #10
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Re: Can you ID this single cylinder diesel?

Thanks.
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