Need help w/3750dt serial #

[SHIFTY]

Looking for help on the age of a 3750,tried 3 books and 2 sites with no reference to the 3750 serial numbers,just the rest of the L series,The first 3 digits are 509_ _,Thanks in advance

 

[Thomas]

Have you try tractortips.com...maybe they can help.

 

[SHIFTY]

Thanks,
Already been their,no serial listings on the 3750