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Discussion Starter #1
Hi, sorry if this is not the correct place for posting but I'm desperate to find out some information on this Diesel motor .
SHUANGNIAO Diesel Model 275 WAC. 12,5 Hp (Two Cilindrers)
Manufactured by: HANGZHOU General Diesel Works. any information would be greatly appreciated.

Thanks.
Mario
 

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Dirt Free
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Do you really have an air cooled diesel in a boat ?
I'd love to hear more about that installation.
 

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Discussion Starter #4
Do you really have an air cooled diesel in a boat ?
I'd love to hear more about that installation.
Thank you very much BoatPoket for answering. My motor is water cooled. It is not air-cooled. In the photo that I have uploaded, you can see the gooseneck pipe that enters the pump.
 

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Back when I first began sailing, many boats, especially European ones, had Petter one or two lung air cooled diesels in them. Great little diesels with compression releases and being air cooled, very simple, reliable engines. Noisy though, very noisy!
 

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Discussion Starter #8
Back when I first began sailing, many boats, especially European ones, had Petter one or two lung air cooled diesels in them. Great little diesels with compression releases and being air cooled, very simple, reliable engines. Noisy though, very noisy!

My motor is water cooled.

It is a little old. he is approximately 25/30 years old. I need data. or to know on which platform it was copied by the Chinese.

Thank you very much for answering
 

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It looks to me like you have one of the many tens of hundreds or thousands of Chinese variants of the R175 diesel engine, a hugely popular agricultural/industrial engine family over many decades that is still being made today in many models by many manufacturers. They were and are often made in an almost semi custom manner to accommodate the limits and capabilities of the companies making the parts and/or assembling the engines over the years and manufacturers disappear - change ownership/names - stop building engines etc. etc. very often so finding specifics about your engine may not be possible anymore.
The builder of your engine might have become Holdwell who no longer produce complete engines. Hangzhou Holdwell Mechanical & Electrical Co., Ltd. Holdwell OEM Quality Replacement Parts

Good luck, I hope you are able to locate the specific information you want somewhere.
 

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Discussion Starter #10
It looks to me like you have one of the many tens of hundreds or thousands of Chinese variants of the R175 diesel engine, a hugely popular agricultural/industrial engine family over many decades that is still being made today in many models by many manufacturers. They were and are often made in an almost semi custom manner to accommodate the limits and capabilities of the companies making the parts and/or assembling the engines over the years and manufacturers disappear - change ownership/names - stop building engines etc. etc. very often so finding specifics about your engine may not be possible anymore.
The builder of your engine might have become Holdwell who no longer produce complete engines. Hangzhou Holdwell Mechanical & Electrical Co., Ltd. Holdwell OEM Quality Replacement Parts

Good luck, I hope you are able to locate the specific information you want somewhere.

Thank you very much, it is a great help. Apparently the R175 is a single cylinder engine.
I have to find out which is the two cylinder model.
Would it be possible to find an engine parts diagram?

Thank you
 

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I suspect that engine collector clubs, power museums and other diesel enthusiast outfits might be your best chance to get your engine identified and getting referred to related diagrams & specifications, they usually have or know persons who can & will help. Photos of the rest of the engine from all sides and particularly several angles of the cylinder head would be useful when contacting that sort of outfit and asking for help with finding engine identification and information. The links below may be helpful in starting your enquiries.


https://barringtondieselclub.co.za/
CPM Links
https://www.prickwillowmuseum.com/contact-us.html
Contacts - Barsanti e Matteucci
Anson Engine Museum
Coolspring Power Museum
https://www.internalfire.com/contact.php
Museum of Power - Contact
Deutsches Museum: Contact Us
Links naar ander site
 

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Discussion Starter #12
I suspect that engine collector clubs, power museums and other diesel enthusiast outfits might be your best chance to get your engine identified and getting referred to related diagrams & specifications, they usually have or know persons who can & will help. Photos of the rest of the engine from all sides and particularly several angles of the cylinder head would be useful when contacting that sort of outfit and asking for help with finding engine identification and information. The links below may be helpful in starting your enquiries.


https://barringtondieselclub.co.za/
CPM Links
https://www.prickwillowmuseum.com/contact-us.html
Contacts - Barsanti e Matteucci
Anson Engine Museum
Coolspring Power Museum
https://www.internalfire.com/contact.php
Museum of Power - Contact
Deutsches Museum: Contact Us
Links naar ander site

Your information is very good, I am very grateful.
I'll take other photos for a better identification. The motorcycle is placed on my boat and its location is very small.
The engine is running, but I have no data for possible future repair.
 
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