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#1
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Henry W - November 22, 2024, 03:16:24 PM
For reference, I posted Masters in a sticky back in 2014. It's the very top thread in Changfa/Readstone/ Chinese Diesel

Here is the link:
https://microcogen.info/index.php?topic=3355.0
#2
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Tom Reed - November 22, 2024, 02:50:26 PM
Well I see Henry found parts, so I'll retract what I said.
#3
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Tom Reed - November 22, 2024, 02:28:22 PM
Quote from: keith71 on November 22, 2024, 11:25:34 AMTom, you said: ''dependable long term backup power not so much''
Wondering why you think they may not be dependable long term?
They also had a marine version that was used in sailboats late 80's early 90's from what I am reading. thanks.
I did a quick search for spare parts and didn't find anything. Hard to depend on engine with limited parts. Although a lot of 175 parts might fit. I have to wonder why it is no longer in production.
#4
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Henry W - November 22, 2024, 02:17:17 PM
I like what I see in the service manual. The diagram showing the internals of the engine looks very promising. I noticed that the main outer journals have a thrust ends on them. And, in turn this should make the crank end play adjustable with shim/gaskets. The crankshaft mains and rod journals are all oil pressure lubed. This is good for longevity and they look like they are a decent size so they should be able to take a fair amount of load. The engine has wet sleeved cylinders, and the pistons are four ringed type. Probably cast iron rings, and that is good for on site rebuild. I say that it should be a fairly reliable engine. I believe that this engine does not have counter balance shafts. So, this should be very simple and reliable and reliable engine to work on.

My only concern is parts. I put in a call to Marshall Masters for you and Marshall feels that he has parts available, or can get them for you.

MASTERS FARM SUPPLY
25888 Northwest State Road 73, Altha, FL

https://mastersfarmsupply.com

850-762-3221

I would look into locating a spare injector pump and injector lines as soon as you're able.

#5
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by keith71 - November 22, 2024, 11:25:34 AM
Tom, you said: ''dependable long term backup power not so much''
Wondering why you think they may not be dependable long term?
They also had a marine version that was used in sailboats late 80's early 90's from what I am reading. thanks.
#6
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Henry W - November 21, 2024, 06:41:43 PM
Good find!
The engine looks similar to the Kubota ZB series engines.(ZB400,ZB600). It could be a clone.
My brother has a Kubota ZB600 and it's been a very reliable engine.
#8
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by keith71 - November 21, 2024, 01:01:54 PM
Supposed to have low hours and runs good.. Thats what most of em say anyway..
#9
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by keith71 - November 21, 2024, 12:59:57 PM
The whole genset.. I figured parts might be tough to find.Even has a waterpump on the engine.  I did find a complete 45 page service book pdf online.. Definately not your average R175 lol.. I more or less just wanted to show you guys, and see if anyone ever used one or saw one.
#10
Changfa/Redstone/Chinese diesels / Re: Changfa type 175x2
Last post by Tom Reed - November 21, 2024, 12:08:01 PM
The whole genset, or just the st7.5? Lots of special parts on that engine. What's it worth??? Priceless as a conversation piece among a special group of friends, dependable long term backup power not so much. Please keep us updated.