kub6040

Well-known Member
I have a block that I want to date positive it is after 58' what is J can't find the book can't remember where I put it @#"&$@.
 
I assume you are asking about casting date codes. J = 1940 and 1963. It should have come around again in about '85.
 
Thanks jim I think it would be 63 , this is a 340 u I am
trying to figure how much is foreign and what is factory ,
could this be a d188 in a 340? Tractor serial number on
tractor makes it a 59' engine number is 308404r2 how do I
dicifer what or when?
 
I don't have the right reference handy, but I believe that engine block number matches with a D-188 and that is right for a 340 Diesel.
 
Best way to find the old one is to buy a new one, and when you go to put it upon the shelf, there the old one will be. It does work for me, I guarantee.
 

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