Subclasses for
17755-1
17755-2
200
85
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Less than 12
12 or greater
Less than 12
12 or greater
Almost all U.S. LTL carriers use NMFC freight classes, although some are attempting to move to a dimensionally-based system.
Freight Class 500 freight is the most expensive to ship. This classification is reserved for items of very high value or for items that use lots of space but weigh very little.
No, not all commodities have freight subclasses, although many do.