LTL shipping stands for less than truckload shipping. It means moving a shipment that's too big for a parcel carrier like UPS or FedEx, but too small to justify booking an entire trailer, by sharing space with other shippers' freight on the same truck.
For a distributor running freight out of more than one location, LTL is probably the mode you use most, and it's also the one where costs are hardest to predict. Get the basics wrong, and a quote that looked fine on paper turns into an invoice that doesn't match it.
What Is LTL Shipping, Really?
LTL shipping covers shipments that generally weigh between 150 and 15,000 pounds and take up one to six pallets. Below that range, a parcel carrier usually makes more sense. Above it, you're probably better off booking a full truckload.
The "less than" in less-than-truckload is doing a lot of work. Your freight shares trailer space with shipments from other companies, going to other destinations, on the same truck. You pay for the portion of the trailer your freight actually uses, not the whole thing.
LTL vs. Full Truckload: Which One Fits Your Shipment
Both moves work. They just work for different shipments.
| |
LTL Shipping |
Full Truckload |
| Shipment size |
150 to 15,000 lbs, 1 to 6 pallets |
Enough freight to fill or nearly fill a 53-foot trailer |
| How you pay |
For the space your freight actually uses |
For the whole trailer, regardless of how full it is |
| Transit time |
Longer, due to multiple stops and terminals |
Faster, usually a direct run |
| Handling |
Loaded and unloaded multiple times along the route |
Loaded once, unloaded once |
| Best for |
Smaller, regular shipments across multiple lanes |
Large orders or time-sensitive freight |
How LTL Shipping Actually Moves Through the Network
LTL doesn't travel in a straight line, and that's exactly why it takes longer than a truckload move.
Here's the path a typical LTL shipment follows:
- A local driver picks up your freight and brings it to the carrier's nearest terminal.
- At the terminal, your freight gets grouped with other shipments heading in a similar direction.
- It travels, a leg carriers call linehaul, to a terminal closer to its destination, sometimes with a stop or two along the way.
- A different local driver delivers it from that terminal to the final address.
Every one of those handoffs is a chance for a shipment to get damaged, delayed, or set aside. It's also why LTL carriers can offer next-day service in some lanes and three-day service in others, even over similar distances.
Freight Class: The Number That Decides What You Actually Pay
Every LTL shipment gets assigned a freight class, a number from 50 to 500 set by the National Motor Freight Traffic Association. The lower the class, the cheaper the shipment is to move. Class depends mainly on density, how much a shipment weighs relative to how much space it takes up, along with how easily it handles and how likely it is to get damaged.
The class you declare when you book the shipment isn't final, and that trips up a lot of distributors. Carriers can reweigh and reinspect freight once it's on their dock. If the density doesn't match what you declared, they reclass it and rebill you. That's the single most common reason an LTL invoice doesn't match the quote.
Say a distributor ships a pallet of HVAC parts declared at class 92. The carrier's dock crew reweighs it and finds it's denser than declared, and reclasses it to class 70. The new class costs less, so this time it works in the distributor's favor. It just as easily could have gone the other way, with a lighter, bulkier pallet getting bumped up to a more expensive class after pickup.
Your Bill of Lading Is Your First Line of Defense
The bill of lading, or BOL, is the document that travels with your shipment and tells the carrier what they're actually moving. It lists the weight, dimensions, freight class, and a description of the goods. A vague or inaccurate BOL is exactly what invites a reclass dispute, since the carrier has nothing specific to hold you to and every incentive to default to a higher class.
A few things worth double-checking on every BOL before it leaves your dock:
- The weight and dimensions are measured, not estimated from a similar shipment last month.
- The freight class matches the actual product, not just whatever class you used the last time you shipped something similar.
- The product description is specific enough that a dock worker who's never seen your product could classify it correctly.
- Any special handling needs, like fragile or hazardous materials, are marked clearly, not assumed.
None of this guarantees a carrier won't reclass your shipment. It does mean that if they do, you have something concrete to point to when you dispute it, instead of a guess against a guess.
What Determines LTL Shipping Rates
Freight class is the biggest factor, but it's not the only one. LTL shipping rates also depend on:
- ▸Weight and dimensions, since carriers price by the actual space and weight your freight occupies
- ▸Distance, with longer hauls costing more overall but less per mile than short ones
- ▸Accessorial charges, for things like liftgate service, inside delivery, or delivery to a residential address
- ▸The base rate your carrier has on file for that specific lane, which can vary a lot between carriers for the exact same shipment
Two shippers moving identical pallets on the same day, same origin and destination, can get quotes that differ by 20 percent or more, just based on which carrier they asked and what lane discounts that carrier already has in place.
Where LTL Shipping Costs Get Away from Growing Distributors
Managing one LTL shipment is straightforward. Managing LTL across five locations, a dozen suppliers, and a rotating set of carriers is a different problem entirely.
A few signs your LTL program needs a closer look:
- ▸Nobody on your team can say which carrier you use most, or why
- ▸Freight bills come in weeks after the shipment, with charges that don't match the original quote
- ▸Different locations are booking LTL with different carriers, at different rates, for similar freight
- ▸You've never actually disputed a reclass or a damage claim, because nobody's sure how
None of this shows up as a single bad month. It shows up as freight spend that creeps up every quarter, without anyone able to say exactly why.
Whether you're moving LTL freight regularly or occasionally need a full truckload instead, the same underlying problem applies. Rates that look fine shipment by shipment can still be quietly costing you every month.
LTL Shipping: Frequently Asked Questions
What is less than truckload shipping?
Less than truckload shipping, or LTL, describes a shipment too big for a parcel carrier but too small to fill a full trailer. It shares space with other companies' freight on the same truck.
What's the difference between LTL and full truckload shipping?
LTL shares one trailer among multiple shippers, while full truckload dedicates an entire trailer to one shipment. LTL usually costs less for smaller loads but takes longer, since freight passes through terminals and gets handled multiple times along the way.
How much does LTL shipping cost?
It depends mainly on freight class, weight, distance, and any accessorial charges like liftgate or residential delivery. Rates for the same shipment can vary significantly between carriers, since each one prices lanes differently based on its own network and existing volume.
What is freight class and why does it matter?
Freight class is a number from 50 to 500 that reflects how dense a shipment is, how easy it is to handle, and how likely it is to get damaged. It's the single biggest factor in what an LTL shipment costs, and carriers can adjust it after pickup if their own inspection doesn't match what was declared.
Can my LTL shipment get reclassed after pickup?
Yes. Carriers routinely reweigh and reinspect LTL freight once it's on their dock, and if the actual class doesn't match what was booked, they'll rebill at the corrected class. This is the most common reason an invoice doesn't match the original quote.
What happens if my LTL shipment gets damaged?
You'll need to file a claim with the carrier, and your bill of lading is the main evidence you'll use to support it. Note any visible damage on the delivery receipt before signing for the shipment, since signing without noting damage can make a claim much harder to win later.
Maybe your freight bills never quite match the quotes, or nobody on your team can say which carrier handles most of your LTL freight. Either way, that's the kind of gap a dedicated freight partner exists to close. GLI works this way for mid-market manufacturers and distributors managing LTL across multiple locations. It checks freight class and rebills before they turn into next month's surprise, with one point of contact instead of a carrier directory.
Ready to see how GLI handles LTL shipping for a business like yours? Get a free freight analysis. No commitment, no pressure. Just a clear look at where you stand and what's possible.
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