The
L39 is a great tractor. Nice size, and very strong for its size. No, I've not heard of any known flaws & I've followed everything written about the Kubota TLBs for years. We have an
M59 Kubota TLB with over 1000 hrs and it works fine.
Attention to recommended maintenance, covering it against the weather (I use a tarp), and greasing the zerks before they need it are all keys to keeping it going well.
BTW, you don't need to keep that older style diesel in the
L39 reved up to full RPM unless you need the power. It will work just fine forever at a fast idle, and doing so will help you learn how to work the BH smoothly.
Much was written about L39s in the last ten years here on TBN. There was one owner who did extensive modifications on his and documented his work with lots of photos and posts.
If you search on "
L39" here on TBN you may find him.
Before you carry a lot of heavy loads around in the FEL, I suggest you also read recent threads on when to use 2wd vs 4wd.
You may want to add a few things while parts are still available. One would be a thumb assembly for the BH. That's big money, but you have half of it and can price out the rest via online parts Catalogues on Messick's website.
Messicks | Your home for New Holland, Case IH, Kubota & More...
Another thing to get is a set of operator manual, service manual, and also the parts manuals. Parts manuals come in three sections: Tractor, BH, and Loader.
For way less money but just as important, put some abrasion protection on vulnerable hoses (Amazon), and also get a cotton (breathable material) tarp to throw over the seat, instruments, and operator platform to keep the rain off of the electronics.
Welcome & Good Luck. It looks like you got a good one.
rScotty