My Kwikee Level Best manual says to use Dextron III auto transmission fluid. Same as used in the power steering system of my Workhorse chassis.
If you want the Kwikee service manual you can download it from my DropBox at
HERE
Clay (WA5NMR), Lee (Wife), Katie & Kelli (cats) Salli (dog).
Fixed domicile after 1 year of snowbirding and eleven years Full Timing in a 2004 Winnebago Sightseer 35N, Workhorse chassis, Honda Accord toad