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ad3.152 identification


 
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4play
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PostPosted: Fri Sep 29, 2017 11:31 am    Post subject: ad3.152 identification Reply to specific post Reply with quote

I have a 78 or 79 MF 245, pulled the engine and I need to try to figure out some identification. First thing I noticed was the oil pan had a round cover on the bottom, with a screen that was cut off. The screen wouldn't have fit because the oil pick up tube has one on it already. Then I noticed it has a 2 piece rear main housing, which I thought it should be a 1 piece seal. The only numbers I think would be a serial number are stamped into the block above the injector pump on LH side and these read " CL 1839319 C "

I don't know if that is a complete serial number or what. I suspect this engine was swapped in at some point but not sure. I will need to order some parts for this so I need to know what I have.
 
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PostPosted: Fri Sep 29, 2017 1:07 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

Well, Im not sure what I need now, this engine is very clean, everything looks recent BUT... The thrust washers in the front were gone, chewed up. The rear washers were wadded up. Looks like the crank has been repaired at one time because of that but the block and main cap have a nice groove.

I'm not sure these pieces are salvageable at this point, crank, block and main cap all have wear. I will load some pics if I get my phone camera in there close enough.
 
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PostPosted: Fri Sep 29, 2017 1:14 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote






 
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PostPosted: Fri Sep 29, 2017 1:16 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote







 
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PostPosted: Fri Sep 29, 2017 1:22 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

A few of those pictures show the crank surface where the thrust bearing would sit, it looks like 3 pieces there and some spot welds holding them on. Was this repaired or an attempt made at some time? You should be able to see the groove in the block and main cap, the crank was also eating into main bearing surface too
 
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ptfarmer
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PostPosted: Fri Sep 29, 2017 9:45 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

The serial number should be stamped on the right side of the engine somewhere above the starter. Looks like someone put a lip seal crankshaft into a 2 piece seal block, and "rigged" it to work.
 
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PostPosted: Fri Sep 29, 2017 10:10 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

Well, it didn't work. I'm not sure what I need to do at this point. T I did not tear this apart for any symptom related to what I found here, it was an oil pressure issue. I noticed this when I took the little round oil pan cover off and found metal thrust washer debris.

I don't know or don't think this block will be salvageable. The damage to the block and main cap is what bothers me. I was fairly prepared for a rebuild with the possibility of crank.

I looked for a serial number on the RH side, pretty sure there was nothing over there. I read that it was on block just in front of the lift pump, and nothing was there.

Forgot pic of main cap, showing grooves in cap and bearing from crank

 
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PostPosted: Fri Sep 29, 2017 10:22 pm    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

Someone put a 3.152 from a early MF 35 tractor, they had the round cover on the bottom of the oil pan. I wouldn't use that block, or crank. On the exhaust side of the head is it flat, or does it have block off plates. Also are the injectors in at a slight angle, or are they straight up, and down.
 
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PostPosted: Mon Oct 02, 2017 9:55 am    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

There is a flat on the exhaust side, that's where the numbers are stamped. The injectors are at a slight angle and the intake is labeled ad3.152.

On the serial number, a local shop I talked to said he's encountered numbers like mine and believes the engine probably came out of a welder or other stationary engine type equipment.
 
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PostPosted: Mon Oct 02, 2017 9:58 am    Post subject: Re: ad3.152 identification Reply to specific post Reply with quote

It has become apparent that I am in need of replacing this engine. I'm not sure if it's cost effective to find a used engine, assume it would need a rebuild vs finding a short/long block.

If anyone knows of any good places that have engines available I would appreciate it.
 
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PostPosted: Fri Oct 06, 2017 9:09 pm    Post subject: Reply to specific post Reply with quote

I'm not having much luck finding a good engine. I Still don't think it would be cost effective to find a used engine and then rebuild it, unless I find one local that I can check out myself.

Here are a couple more pics of this engine, not sure what it is or where/what it came from, doesn't matter now since its trash.



 
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PostPosted: Fri Oct 06, 2017 10:16 pm    Post subject: Reply to specific post Reply with quote

A crankshaft goes for about $400, and up, and good, used blocks are in the $400 area also (but it needs to be a stress block). A short block (block, crank, rods, and pistons) start from $1800 and up (all in ebay). A tractor salvage yard, or it maybe cheaper/easier to find another running tractor. I bought a running 1967 135 diesel off of craigslist for $1500 (have to wait if you want to find a deal like I did), put another $500 in it, and now I have me a tractor that works as good as any other 135 (or as good as 245) does. You can also look for a block, and crank from a MF tractor with the 3.152 gas engine (same block, crank, connecting rods, camshaft) it just has different pistons, and cylinder head so you maybe able to find a 3.152 gasser that is rebuildable cheap. You can swap your diesel parts into it.
 
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