Mono, as in single. Monoshock, for example. Coque is a French word, meaning hull, shell, or body. And in the word we're dissecting, pronounced just like the equipment we have dangling in our nether regions.
They may be "nether regions" to you, but some of us can still look down while standing, and see 'em. Cheers!
you are talking about uniformed distribution load rating, for most dry vans it is <830lbs per linear foot. It works out as a little over 44k on a 53-foot trailer.