Grease on the 5th wheel or a lube plate. What do you recommend?

The disk is better. My clothes also do not now have as many grease stains, especially the shoulders of my shirts and jackets.

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Lube plate is what I use with grease on the pin,get enough grease from my semi at work.

Cannot use lube plate on my pullrite superglide hitch. WD40 on the sliding rails. I take the plate off and use WD40 on the jaw mechanisms. I use lithium grease on the hitch plate and king pin plate.