Every trucking company I have worked for used Chevron grease. It was blue. LoL.
Castrol pyroplex blue is blue as well. Lol.
The only chevron grease that is calcium based is texclad 2, which contains moly and graphite. I can’t use moly grease in slack adjusters.
Meritor, who made the trailer axle bushings and trailer slack adjusters, recommends calcium sulfonate complex grease over clay based synthetic (for low temp) over lithium based grease. Their calcium sulfonate grease spec O-704 calls for Tek-678, which no one sells. And I don’t want mix clay based grease with lithium grease that is already in the system. Their clay based spec O-645 is mobiltemp shc 32.
Wear protection is least of my concern over rust and water protection for brake adjusters and s cam bushings. Calcium sulfonate grease looks like the best choice.
I ordered the liquid wrench marine grease from the $30 amazon warehouse deal. I probably will use it this winter. Only time will tell if I will see more of the chocolate color grease next year.