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Motor Truck Cargo Insurance: What It Covers and What It Doesn't

June 8, 20265 min readBy McKnight Insurance Services

Truckers assume their cargo is covered. Then a load gets damaged and they find out their policy has exclusions they never knew about. Here's how to read your cargo coverage before a claim.

Motor Truck Cargo Insurance: What It Covers and What It Doesn't

Motor truck cargo insurance is one of those coverages that most truckers carry because their broker or a shipper required it — not because they fully understand what it does. That gap between having a policy and understanding it tends to show up at the worst possible time: when a load is damaged and the claim comes back denied or short-paid.

Here's a plain-language breakdown of how cargo coverage actually works, what the common exclusions are, and what to watch for when you're reviewing your policy.

What Motor Truck Cargo Insurance Is

Motor truck cargo insurance covers the freight you're hauling for loss or damage while it's in your care, custody, and control. If a load is damaged in an accident, stolen from your trailer, or ruined by a refrigeration breakdown, cargo insurance is what pays the shipper or broker for the value of the goods.

It is not the same as your commercial auto liability policy. Your liability policy covers damage you cause to other people and their property. It does not cover the freight you're carrying. Those are two separate coverages, and you need both.

What It Typically Covers

A standard motor truck cargo policy covers physical loss or damage to cargo caused by:

  • Collision — your truck is involved in an accident and the load is damaged
  • Overturn — the trailer rolls and the freight is destroyed
  • Fire — cargo is lost in a vehicle fire
  • Theft — the load is stolen from a secured trailer
  • Flood or weather — in some policies, damage from weather events
The coverage applies while the freight is loaded on your vehicle, and in many policies extends to brief stops during transit — fuel stops, required rest breaks, and similar situations.

The Exclusions That Catch Truckers Off Guard

This is where most cargo claims run into trouble. Standard cargo policies contain exclusions that are easy to miss when you're focused on the premium number.

Refrigeration breakdown. If you haul temperature-sensitive freight — produce, meat, pharmaceuticals, dairy — check whether your policy covers mechanical breakdown of the reefer unit. Many standard cargo policies exclude it. You need a specific reefer breakdown endorsement, and it typically comes with its own sublimit.

Improper loading. If the shipper loaded the freight and it shifts in transit and gets damaged, some policies exclude the claim on the grounds that the damage resulted from improper loading — not from a covered peril. This is especially common with flatbed loads.

Unattended vehicle. Many cargo policies exclude theft claims if the vehicle was left unattended and unlocked, or unattended for more than a specified number of hours. Read the exact language. "Unattended" is defined differently across carriers.

Specific commodity exclusions. Some policies exclude certain types of freight entirely — electronics, jewelry, pharmaceuticals, alcohol, tobacco, and building materials are common exclusions. If you haul any of these, verify your policy covers them before you accept the load.

Acts of God. Flood, earthquake, and similar events may be excluded or sublimited depending on the carrier and policy form.

Delay. Cargo insurance covers physical loss or damage. It does not cover financial loss from a delayed delivery — even if the delay causes the freight to spoil or miss a market window.

Understanding Your Limits and Deductibles

Cargo policies are written with a per-occurrence limit — the maximum the policy pays for any single claim. Common limits are $100,000, $250,000, and $500,000. The right limit depends on the maximum value of any single load you haul.

If you regularly haul loads worth $200,000 and your cargo limit is $100,000, you're self-insuring the difference on every load. That's a gap worth closing.

Deductibles on cargo policies typically run $1,000 to $2,500. Some carriers offer lower deductibles for an additional premium — worth considering if you haul high-value freight frequently.

What Brokers and Shippers Require

Most freight brokers require a minimum cargo limit — commonly $100,000 — before they'll assign you a load. Some shippers, particularly those moving high-value goods, require higher limits and may ask for a copy of your policy declarations page, not just a certificate.

If you're trying to expand the types of freight you haul or work with larger brokers, your cargo limits and covered commodity list matter as much as your safety score.

How We Help Trucking Operations Get This Right

We work with carriers that specialize in commercial trucking, including owner-operators and small fleets. Because we're independent, we can match your specific commodity mix and operating area to the right policy form — rather than putting you in a generic trucking package that may have exclusions you don't know about.

We also review your current cargo policy before you have a claim. If there are gaps, we'll tell you.

Call or text: 817.277.6166

Or get a quote online — we work with trucking operations throughout Texas and the surrounding states.

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This material is for informational purposes only. All statements herein are subject to the provisions, exclusions and conditions of the applicable policy, state and federal laws.