I have a D19 diesel in my shop.  It came in for a leaking head gasket.  I am aware of the reliability issues with this engine.  I have discussed these issues with my customer prior to tear down.

The head gasket is trashed.  I can see nine cracks in the head without even cleaning it up.  Sleeve protrusion is less than the .002" that everyone says is needed to keep head gaskets in these.  I have checked Jensales (Reliance), Don's Diesel, and am waiting for a call back from Pfouts.  Any leads on parts or other information relative to getting this thing back together is appreciated.

Also appreciated would be any information regarding determining whether or not this head is salvageable would be appreciated.

Thanks!

Thanks for the reply, I appreciate it.  Most of the cracks are in the energy cell area.  #1 and #6 are cracked between the valve areas.  Coolant was leaking from the front and rear of the head.  #6 has clearly been burning coolant, but I have no way of knowing whether it was currently burning coolant or whether this happened in the past.

Questioning the customer, he did not seem to think it was building excessive pressure in the radiator, but who knows.

The sleeves are essentially flush, definitely not the minimum .002 standout reportedly necessary to have a chance of keeping gaskets in it. 

Time to have another serious conversation with the customer.

Does anyone know what is the best current advice in head gaskets for these?  The cheap aftermarket gasket set everyone sells scares me just a little.

You can buy a whole lot of gas for the $7 - $10 K this is going to cost to do it correctly.  I'm not sure how many 262G engines are out there.  I'm seeing one in Missouri, don't know the first thing about it.  There is no sense repowering with a piece of junk that needs repairs.

From most of what I've read, the D19 gas wasn't a bad tractor.

   You will definitely need fire rings, I run copper head gasket on my puller, not impressed.

   Sealtech can make you any size fire rings.

Thanks folks.  Pfouts explicitly stated that the head gasket in his kits is of "not the best quality."  He suggested his alternative copper gasket as an upgrade.  I'm just not comfortable with it, especially since he states it has no fire ring.  Maybe we aren't communicating well, I don't know.

Every photo of a head gasket set for this tractor looks the same.  I suspect they all ARE the same, regardless of brand name.  None appear to have separate fire rings.  All are probably the same as the one that Pfouts says is "not the best."  I have zero confidence in any of them, given the reputation of this engine.

The search is on for an OEM Allis / Agco head gasket.  Current AGCO part number seems to be 74514398.  Underlying manufacturer's part number appears to be 5330-00-947-4693, not 100% confident of that number.  Failing that, I'm not sure about the cost-effectiveness of having a gasket custom made.

I'm not sure how I get myself into this stuff.  It seems as if everything obsolete, rare, parts NLA, junk from the factory, etc makes its way to my shop.

I think this was the customer's grandfather's tractor, so that factors in here.  I've told him either drag it out as is, slap it back together with no warranty whatsoever, or spend the big dollars to fix this old relic correctly.  Cylinder head is in the machine shop for evaluation, and I'm not yet sure where the cards will fall on this one.

Question, will a 226 from a D17 bolt in?  I'm not saying it's a good idea, just exploring all the possible options.

Wow!  Yes, I have read all about those fire rings on this forum, also figured out that Mack is no longer with us.  He struck me as a powerhouse of Allis knowledge.

It sounds as if those fire rings are just the thing for getting these to hang together.  Are you interested in parting with them?  They worked with the OEM gaskets, did they not?  Do you know if they worked with any of the aftermarket gaskets?  Please advise.

1-630-692-0633

  Sealtechs fire rings can be bought in any thickness,  I think 40 thou thicker then the gasket was enough crush??   The owner will tell you.

  

That was 12 years ago.

Dan 

   Yes, I use them on a 426, I pull the stock clamped ones off and lay the round ones in.

That's what I did on my WD$% 

FWIW,

 we used to apply Permatex Hi-Tack spray to both sides of the head gasket on many autos.

My brother & I worked on an Oliver 1600 Diesel (IIRC the model #) that had a coolant leak into the oil pan. 

When I got new gaskets, I asked the guy for the Permatex stuff; he gave me that knowing look as if to say; “ thats the only thing that'll keep those Olivers from blowing gaskets”

And it did.