65,500 on my 2021 Heritage with no issues. Hope I don't jinx myself... Amsoil Signature 0W-20 and oil filter every 5000 miles, Amsoil in diffs every 30,000, Toyota Unicorn blood in T-case every 30,000, transmission and coolant service at 60,000. Coolant will now go to 50,000 mile intervals...