ksshooter49: My
B7500 HSD-R had the same leak in 2022. I was adding a quart of UDT2 every day that I used the tractor. My dealer split the tractor and repaired the leak, plus did some other unrelated work. Cost was $1,083.95 parts + $75.71 sales tax + $4532.00 labor (41.2 hrs x $110/hr) + $177.88 misc. for $5,869.54 total.
I was without the tractor for 5 weeks, as they would not schedule the work until the tractor was setting at their shop. $560 of the parts cost was unrelated to the leak repair. I don't know how much the unrelated labor was, perhaps $500 to $600.
My dealer told me the seal had been damaged by field grass tangled around the shaft. He also told me to inspect the shaft/seal area as often as possible and carefully remove any tangled grass.
I just inspected the shaft seal after flail mowing a pasture, and found grass wrapped around the shaft again. I also found signs of leakage. I don't know how much I may be leaking, yet.
You may find that the repairs are only guaranteed until you use the tractor in tall field grass.
Hopefully, I can live with my current leakage, as I am not inclined to have the tractor split again.
I intend to research options to add a "skid plate" style shield to protect the seal, and to look for a way to slow the leak externally.
My best wishes,
Rusty