I've seen a lot of hate toward the Aisin AC60 transmission that comes in the 3rd gen Tacos, but I love it. ... Has achieved enhanced durability compared to the 5 speed. HybridTacoma, Jul 9, 2020 #9. Jul 9, 2020 at 10:23 PM #10 #10. ... Its an automatic transmission, it will shift a lot. They all do that. Regarding the fluid, personally i would.