allis 262 diesels

Anonymous-0

Well-known Member
I read that Allis built the D17 series IV until 1967. Did Allis still use the same Buda D262 engine in this tractor as was in the early 17? Did Allis fix any of the head and block problems from earlier models using the 262. If a guy wanted to build a D19 engine would it help to find a late 17 block and head? Finding a D262T engine for a core is getting hard to find. Anyone have experience here?
 
They changed the cooling system after the series one d-17s. The water pumps were on the head and we're known to crack. The later d-17 and the d-19 had the water pump on the block. AC changed injectors somewhere in the middle of production from Boesch to AC own design. These would be your biggest swapping issues. The head, block, and injectors need to match (can't swap old head and newer style injectors or newer block). Also, the early d-17 had studs in the block and the later blocks used head bolts (no big deal, just different).
 
In addition to what Chad said, I think there were 2 or 3 different cams, in the D-19 engine, and possibly the 17, too.
 
When I overhauled my early D17D, I had to find a different block. I couldn't find a nice no water pump block, so I used a later gas block from a combine. The later gas block has the turbo drain back hole in it. All I had to do was make a block off plate to cover the water pump hole.
I don't know if this is true, but I was told by several guys on the other forum that a properly repaired cracked head was better than a non cracked head because it was stress relieved. Either way, my head was cracked and repaired in it's past at Midwest Cyl Head and has been good.
When you get to the point of installing a head, use ARP studs. When I put my engine together 3 years ago, I had to buy them individually. They told me on the phone that a kit for the 262 was planned.
 

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