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In order to fairly and accurately determine shipping costs, freight shipments are categorized by “freight class”. National Motor Freight Classification codes (NMFC), on the other hand, further classify the contents of a shipment within the category of freight class. Therefore, two shipments might be categorized in the same freight class while they also have vastly different NMFC codes based on the specific items within the shipment.
Does that make sense?
Let’s take a deeper look at what NMFC codes are, how they are determined and how they are applied. For our example of what this looks like in action, we will be applying NMFC codes to the LTL freight class.
Freight class differentiates shipments into one of 18 categories, from 50-500. The following table gives a breakdown of the 18 freight classes with example items and weight range per cubic foot (density) listed for each class:
|Class||Examples of Items Shipped within Class||Weight Range per Cubic Foot|
|50||Extremely durable items such as nuts and bolts||>50 lbs|
|55||Bricks, hardwood flooring materials||35-50 lbs|
|65||Books, some car parts||22.5-30 lbs|
|70||Some food items||15-22.5 lbs|
|85||Pharmaceutical products||12-13.5 lbs|
|92.5||Computers, larger kitchen appliances||10.5-12 lbs|
|100||Car/motorcycle covers||9-10.5 lbs|
|110||Some artwork||8-9 lbs|
|125||Smaller kitchen appliances||7-8 lbs|
|175||Textiles, clothing||5-6 lbs|
|200||Sheet metal||4-5 lbs|
|250||Mattresses, TVs||3-4 lbs|
|300||Wood tables, chairs||2-3 lbs|
|400||Light fixtures||1-2 lbs|
|500||Very light/fragile materials or very valuable objects||<1 lbs|
While the above table is not an exhaustive list, it gives some ranges and general ideas about the types of items that fit into each freight class. A rule of thumb for determining freight class costs is that the higher the class, the higher the cost. While freight class mostly considers the density of the shipment, other shipping factors are also considered by the carrier.
Understanding exactly how your freight is categorized and why it is categorized that way is critical in calculating the price of shipping so that you don’t get stuck with extra costs at the last minute.
NMFC codes further classify shipments within the freight class to which they belong. These codes were created in an effort to have fair and standardized rates applied to all shipped commodities. In general, the NMFC codes are based on a number of criteria that include:
Luckily, you have a number of options available to you to help in determining the correct NMFC codes for your unique shipping needs:
When shipping any commodity, there will be a cost. However, the more knowledgeable you are about freight class and NMFC codes, the more money you’ll be able to save during the shipping process.
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