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    1. Distributors, Upfitters

    Helpful Truck Frame Terminology

    July 22, 2015
    Refer to this gallery of common truck frame modification terms and equations used by work truck upfitters and distributors...

    Refer to this gallery of common truck frame modification terms and equations used by work truck upfitters and distributors. This information was taken from various seminars presented at several National Truck Equipment Association's annual conventions. Read the Trailer/Body Builders' coverage of those seminars here:

    Truck frame modifications

    Tips on truck frames

    Understanding frames and side rails