Repairing Drilled Engine Block

   / Repairing Drilled Engine Block #81  
I had the dealer install a new engine in my Kubota L4740 when it spun a bearing

In order to get the new engine from Kubota, they required the dealer to drill the block

Now I would like to rebuild this engine and am wondering what it would take to repair the drill hole

See pics
I’m pretty late to the party,

But if you’ve got a block with a hole and a spun bearing, I can’t help but think it’d be more economical and straightforward to just find a used core and rebuild that. I’d imagine there’s engines out there in much better shape for not much money that need a general overhaul.

Id call some salvage yards, maybe see if somebody at KTAC can point you in the direction of a write-off tractor. Wengers in Myerstown PA has a nice variety, along with MacFaddens.
 
   / Repairing Drilled Engine Block #82  
Interesting thread with a lot of good fixes, however, something isn't Kosher.

I work part time at an authorized Kubota dealer and I know for a fact that if you buy a reman engine from Kubota,
Kubota does not offer a remanufactured engine; never has.
You come up with the worst misinformation I have ever seen!!

for any reason or even a short or long unused engine,
Kubota only offers a complete engine, no short block or long block options. Your B.S. is getting deeper!!
Kubota has to have documented proof the original engine was destroyed and rendered not useable or rebuildable. Documented proof for Kubota is detailed pictures of the destruction and or valid receipts from a scrap company.
More of your B.S.!!!! There is no option for a receipt from a scrap dealer.
I've destroyed more than one failed engine and in my dealer's case, that involves using a sledge hammer or torches and destroying it, not drilling a hole in the block that can be repaired. Like I said, Kubota requires documented proof as in pictures or scrap dealer receipts that the engine was rendered not useable or repairable, except for scrap value. Corporate policy. I have no idea about an independent non Kubota rebuilder or shop, only a Kubota authorized dealer.

The OP in his first post states a Kubota dealer drilled the hole and I'm very suspect of that.

Kubota revised and adopted that policy when the emissions engines came on the scene to prevent an owner of a failed engine replacing it with a non emissions engine.

Give me no pleasure in destroying a rebuildable engine but corporate policy is corporate policy anyway and at least the dealer I work for don't want to loose his franchise over an engine.

I will say, using a 15 pound sledge on one renders it junk real fast. That and using it for target practice with a high velocity round.
There is nothing about using a sledgehammer to destroy the engine in the precise instructions from Kubota.
Your misinformation is almost laughable!!!

Screenshot (45).png

If you buy a long block from Kubota you cannot remove anything, a short block, you can. Not sure about other brands, just Kubota.
Again, Kubota does not offer a short block or long block option, only a COMPLETE engine.
 

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