Originally Posted by reddiver
Whatever you use make sure it is compatible with whatever is there now or the grease will turn to liquid and run away. If you don't know then take the wheel off, clean off the grease from the spindle and bearings and repack with whatever you are going to use. Not all greases like each other
Out of all the responses this is the most important. Like stated, if you don't know, start fresh. I too use the Lucas Red "n" Tacky in all my trailers. It's never a guessing game.
At the same time I recommend to replace the seals with a double lip seal if it doesn't have them already.