Is there any of the 295 approved on Allisons site to stay away from? I'm about to change the OE fluid @ 100k in my 8.1 ton. We're a Pennzoil, ect. distributor so it'll have to come from there.
What about Shell Donax TX Mike ? https://www.mackenzieoil.com/pdf/DonaxTX Brochure 275-S-001025 En.pdf