Carrier liability per pound by freight class is a cap written into the NMFC item for your commodity and into the carrier’s rules tariff, and it is almost never the value of your freight. A pallet of goods worth $9,000 that weighs 600 pounds and moves under an item with a released value limit will pay out at the per-pound limit multiplied by the weight, not at $9,000. If the limit is a few dollars a pound, the claim settles for a few thousand at most, and the difference is not a denial you can argue your way out of. It is the deal that was struck when the class was assigned.
That is the sentence that explains most disappointing LTL claim outcomes. The shipper did nothing wrong procedurally: the claim was filed inside nine months, documented, followed up. It still paid a fraction, because liability was limited before the freight ever moved.
Where the limit actually lives, why the cheap class you asked your carrier rep for is the same class that caps your recovery, how to check your exposure before you ship, what to do when the cap is too low for what you are moving: those are the parts worth knowing before the next claim.
The default rule, then the exception that swallows it
Under 49 U.S.C. 14706, the Carmack Amendment, a motor carrier is liable for the actual loss or damage to property it transports. That is the default, and it is genuinely favorable to shippers: no proof of negligence required, liability attaches to the receiving carrier and the delivering carrier.
The same statute permits that liability to be limited. A carrier may limit its liability to a value established by written declaration of the shipper or by a written agreement, which is where released rates and released value come from. In LTL practice the “written agreement” is the bill of lading incorporating the carrier’s rules tariff, which in turn incorporates the National Motor Freight Classification. Sign the BOL, and the limit rides along with it.
Two consequences follow, and both surprise people:
- The limit is contract terms, layered through documents you agreed to by reference, so there is no agency to appeal it to.
- The limit can be lower than the freight charges you paid, and lower still than the replacement cost of the goods.
Being clear-eyed about that is more useful than being angry about it. Limited liability is why LTL pricing works at all. A carrier hauling 20 shippers’ freight on one trailer cannot underwrite unlimited value on every pallet at commodity rates. The mistake is not that carriers limit liability. The mistake is shipping high-value freight as though they do not.
Where the number actually comes from
Freight class is not itself a liability number. Class is a rating construct, and NMFTA describes it as determined by four transportation characteristics: density, handling, stowability and liability. Liability is one of the four inputs to class, not the output.
The per-pound cap comes from three places that stack:
The NMFC item. Some items carry an explicit released value provision: liability is limited to a stated amount per pound, sometimes with alternate classes at alternate released values. Electronics, appliances, machinery and other high-value-to-weight commodities are the usual candidates, because that is where the value-per-pound exposure sits.
The carrier’s rules tariff. Even where the NMFC item is silent, most LTL carriers publish maximum liability rules in their own tariff: caps per pound, caps per shipment, and exclusions for specific commodity categories, used goods, and packaging that does not meet the item’s requirements.
Your contract or pricing agreement. A negotiated LTL agreement or transportation contract can set liability terms that differ from the tariff default. This is the layer most shippers never read and the only one they can negotiate.
Whichever is most restrictive and properly incorporated is the one that governs. That is why “what is my liability per pound” is never answerable from the class code alone. You need the item, the tariff rule, and the contract.
Where to look, in order
| Where | What to look for | Why it matters |
|---|---|---|
| NMFC item for your commodity | Released value language, alternate classes at stated released values, packaging requirements | The controlling limit when the item states one |
| Carrier rules tariff | Maximum liability per pound and per shipment, excluded commodities, used-goods rules | Applies where the item is silent; often the binding cap |
| Transportation agreement or pricing agreement | Liability clause, declared value process, carve-outs, notice requirements | The only layer you can negotiate |
| Bill of lading | Declared value box, whether it was completed, whether the carrier signed it | An uncompleted declared value box usually means the default limit applies |
| Your cargo insurance policy | Shipper’s interest coverage, deductible, per-shipment limit, exclusions | Where the gap between value and carrier limit is actually closed |
| Your customer’s contract | Who bears risk of loss, at what point title transfers | Determines whether the carrier’s cap is even your problem |
Work down that list once per commodity family, not once per shipment. Most shippers move a small number of distinct product types, so the exercise is a morning of work that stays valid until the class or the contract changes.
Why a full-value claim on a low-class item was never going to pay
Here is the arithmetic, framed as an illustrative example rather than a real claim, using round numbers you should replace with your own tariff’s figures.
Say you ship a pallet of assembled equipment, 700 pounds, invoice value $14,000. The NMFC item you rate under carries a released value limit of $2.00 per pound. Your claim math looks like this:
- Value you lost: $14,000
- Liability cap: 700 lb x $2.00/lb = $1,400
- Recovery, if the claim is otherwise perfect: $1,400
- Uninsured gap: $12,600
Nothing about that outcome involves the carrier behaving badly. The claims adjuster applies the item, pays the cap, and closes the file inside the 120-day window that 49 CFR 370.9 allows for paying, declining, or making a firm compromise offer. You did everything right and recovered ten percent.
Now flip one variable. Same $14,000 of value, but it weighs 3,000 pounds because it ships in a crate with substantial packaging. At the same $2.00 per pound, the cap is $6,000. Value per pound is the whole game. The lighter and more valuable your freight, the further the cap sits from your loss.
This is also why the low class you negotiated can work against you. Classing down usually means the item was reclassified toward a density-driven scale, and NMFTA’s Docket 2025-1, effective July 19, 2025, moved a large set of items to one standard density scale where handling, stowability and liability were not concerns. Cheaper freight rates and thinner liability treatment often arrive in the same change. If your classes changed in 2025, your liability language may have changed with them, and nobody sends an email about that.
Declared value: what it does and what it costs
Declared value, sometimes called excess value or excess liability coverage, is the mechanism for buying above the cap. You state a value on the bill of lading, the carrier charges for the additional exposure, and liability moves up to the declared amount.
Three things to know before you rely on it.
It has to be done correctly and in advance. Declaring value after a loss does nothing. The declaration lives on the BOL at tender, and carriers typically require it be entered in a specific field, sometimes with prior arrangement for high amounts.
It is priced, and often expensive. Carriers charge per hundred dollars of declared value. On genuinely high-value freight, the charge can exceed what shipper’s interest cargo insurance would cost for the same protection, which is why many shippers insure rather than declare.
It is not unlimited. Rules tariffs cap declared value by commodity type and often exclude categories outright. Read the exclusion list before assuming you can buy your way to full coverage.
The alternative most mature shipping operations land on is their own all-risk cargo policy covering the gap between carrier liability and actual value. That converts an unpredictable claims outcome into a known premium, and it removes the incentive to fight a carrier over a cap that was never negotiable.
What still has to be proven, cap or no cap
The liability limit sets a ceiling. It does not lower the evidence bar for the claim itself.
Under 49 CFR 370.7, the carrier investigating your claim is to obtain the bill of lading, evidence of the freight charges, and the invoice or other certified value documentation, plus a certified statement of non-receipt from the consignee on full-loss claims. Certified value documentation is the phrase to notice. Your recovery is the lower of your proven value and the cap, so a claim with no invoice attached can pay less than the cap even when the cap would have covered you.
And the claim still has to be a claim: written, identifying the shipment, asserting carrier liability, and demanding a specified or determinable dollar amount, per 49 CFR 370.3. The mechanics of clearing that bar are covered in how to file a freight claim that does not get denied. Keep that process separate from anything you are contesting on the invoice itself, for the reasons laid out in freight claim vs invoice dispute.
One more piece the cap interacts with: salvage. On damaged freight the carrier may dispose of the goods, and 49 CFR 370.11 requires carriers disposing of rejected or damaged property to notify interested parties, sell or dispose of it directly or through a competent salvage agent, keep itemized lot-numbered records tying salvage back to the original shipment, and record on the claim file both the salvage recovery amount and the date funds were transmitted. If your settlement is net of salvage, you are entitled to see how that number was arrived at.
Truckload is a different conversation
Everything above is LTL, because NMFC classification and released value are LTL constructs. On truckload, there is no class and no NMFC item. Cargo liability comes from the carrier’s cargo insurance limit and whatever your transportation agreement says, and the practical ceiling is usually the policy limit named on the certificate of insurance.
That makes the truckload check simpler and more procedural: confirm the cargo policy limit before you tender high-value freight, confirm the contract does not limit liability below the policy limit, and confirm the broker in the middle, if there is one, is not disclaiming carrier liability entirely in its terms. Those terms sit in the same document set you should already be reconciling when you check a rate confirmation against the carrier invoice.
Before you ship, not after
A short list you can run per commodity family.
- Compute value per pound for each product you ship. Anything above roughly the low tens of dollars per pound deserves a liability review.
- Pull the NMFC item you rate under and read it for released value language and packaging conditions.
- Pull the carrier’s rules tariff section on maximum liability. Note the per-pound cap, the per-shipment cap, and the excluded commodities.
- Read the liability clause in your pricing agreement. Confirm whether it overrides or defers to the tariff.
- Multiply. Cap per pound times typical shipment weight. Compare that to typical shipment value. Write the gap down.
- Decide how to close the gap: declared value on the BOL, shipper’s interest cargo insurance, or accepting the exposure knowingly.
- Fix the BOL template so the declared value field is either populated by policy or deliberately blank by policy, never blank by accident.
- Recheck after any classification change. The 2025 NMFC restructure is the example, but items change every docket cycle.
- Diary the claim clocks so a covered loss does not fail on timing. The full set is in the freight billing deadlines reference.
Step 5 is the one that changes behavior. Most shippers have never written the gap number down, and it is usually larger than they would have guessed. Once it is on paper, the decision between declaring value, insuring, and self-insuring stops being a claims-day argument and becomes a budgeting question you answer in advance.
Sources
- 49 U.S.C. 14706, Liability of carriers under receipts and bills of lading (Cornell LII)
- 49 CFR 370.3, Filing of claims (Cornell LII)
- 49 CFR 370.7, Investigation of claims (Cornell LII)
- 49 CFR 370.9, Disposition of claims (Cornell LII)
- 49 CFR 370.11, Processing of salvage (Cornell LII)
- NMFC class is determined by density, handling, stowability and liability (NMFTA)
- A guide to the NMFC changes coming in 2025, Docket 2025-1 effective July 19, 2025 (NMFTA)
- Freight claim time limits, practitioner summary (FreightClaims.com)