Inland Marine for Trucking & Transportation

Inland marine insurance covers cargo, specialized equipment, and property in transit for trucking and transportation businesses — filling gaps that commercial auto and general liability policies leave open. If your goods, tools, or customer freight move over the road, inland marine is the policy that pays when they're stolen, damaged, or destroyed in transit.

Who this is for: Owner-operators, fleet carriers, freight brokers arranging coverage for shippers, and logistics companies that transport third-party cargo or move their own high-value equipment between job sites.

TL;DR — Key Takeaways

• Inland marine covers cargo in transit, mobile equipment, and tools/equipment away from a fixed premises — none of which your commercial auto policy covers in full.
• Motor Truck Cargo (MTC) policies pay for loss or damage to freight you're legally liable for while it's in your care, custody, or control — typical limits run $100,000–$1,000,000 per load.
• Rates depend on commodity type, lane (domestic vs. cross-border), driver history, and loss experience; premiums generally range from $1,500–$8,000+ per year per power unit for MTC alone.
• Shippers and brokers frequently require specific cargo sub-limits, refrigeration breakdown coverage, or earned-freight endorsements — get those requirements in writing before binding.
• Inland marine is a separate policy from commercial auto liability; your trucker's general liability and primary auto do not substitute for it.

What Does Inland Marine Cover for Trucking Companies?

Inland marine for trucking encompasses several distinct coverage forms. Most motor carriers need at least one; larger operations carry two or three.

What inland marine does NOT cover (important exclusions): - Liability for bodily injury or property damage to third parties (that's your commercial auto and GL) - Cargo losses caused by a shipper's improper packing or labeling (often excluded) - Live animals or cash unless specifically endorsed - Losses caused by war, government seizure, or nuclear hazard - Loss or damage that occurred before the freight was in your custody

How Motor Truck Cargo Limits and Deductibles Work

MTC policies pay on an actual cash value (ACV) basis by default; replacement cost endorsements are available but less common and increase premium. The policy limit represents the maximum per-occurrence payout — not a per-load aggregate — so a single catastrophic spill or theft event is bounded by that number.

Deductible mechanics: Deductibles on MTC policies typically range from $500 to $5,000. Higher deductibles reduce premium but expose you to out-of-pocket costs that can strain cash flow on a $75,000 food-grade load. Some carriers offer per-unit deductibles on multi-trailer operations.

Coinsurance: Unlike commercial property, inland marine cargo forms rarely impose a coinsurance penalty, but underwriters may restrict coverage to specific commodity classes. If you haul electronics on a policy written for general freight, a claim can be denied or reduced.

How Much Does Inland Marine Cost for Trucking Companies?

Cost varies significantly by commodity, geography, and loss history. The following ranges are illustrative — your actual quote depends on underwriting review.

Key underwriting factors: - Commodity class: High-theft items (electronics, spirits, tobacco, pharmaceuticals) carry surcharges or sublimits — sometimes as low as $25,000 regardless of the policy limit. - Driver record and MVR: At-fault accidents and cargo claims in the past three years directly affect rate. - Security measures: GPS tracking, cargo seals, and secured drop yards can reduce premium by 5–15%. - Loss history: A single $150,000 produce spoilage claim can double renewal premium.

How to Get an Inland Marine Policy for Your Trucking Operation — 5 Steps

1. Compile your commodity list. List every type of freight you haul, including percentage of revenue by commodity. Underwriters price each class separately and may exclude commodities not disclosed at application.
2. Determine your maximum load value. Your MTC limit must match or exceed the highest single-shipment value you accept. Check your broker/shipper contracts — many specify a minimum cargo limit ($100,000 is common; refrigerated shippers often require $250,000+).
3. Gather loss runs. Request five years of loss history from your current carrier. Clean loss runs are a pricing asset; disclosed claims are far better than surprises during underwriting.
4. Review broker or shipper contract requirements. Shipper contracts frequently require you to name them as additional insured or loss payee on the cargo policy and may mandate earned freight coverage. Pull these contracts before going to market.
5. Bind and obtain certificates. Work with your agent to bind the policy and issue certificates (COIs) showing the required limits and additional insured language. Brokers often require a COI before releasing a load.

Real-World Example: Reefer Carrier, Texas, $250K Load

The following is an illustrative example, not a guarantee of coverage or outcome.

A small refrigerated carrier based in Dallas operates four units hauling produce between Texas and California. Their largest single load is a $240,000 shipment of imported strawberries. Their broker contract requires a $250,000 MTC limit and refrigeration breakdown coverage.

• Policy purchased: MTC with $250,000 per-occurrence limit, $2,500 deductible; refrigeration breakdown sublimit of $50,000; earned freight of $25,000.
• Annual premium (illustrative): approximately $7,200 across four power units.
• Scenario: The reefer unit on unit #3 suffers a compressor failure on Interstate 10 in Arizona. The load of strawberries, worth $195,000, is a total loss due to heat exposure over 14 hours.
• Claim outcome: Because the spoilage was caused by the reefer breakdown, it is the refrigeration breakdown coverage that responds — and that coverage is capped at its $50,000 sublimit. With the loss far exceeding the sublimit, the policy pays $50,000 toward the spoiled cargo. The earned freight endorsement reimburses $18,000 in freight charges the shipper withheld.
• Total recovery: approximately $68,000 — protection an uninsured or under-insured carrier would not have had.

Frequently Asked Questions

Does my commercial auto policy cover cargo damage? No. Standard commercial auto (including truckers' primary liability and physical damage) does not cover third-party freight in your trailer. Motor Truck Cargo is a separate inland marine policy specifically designed to cover that exposure.

What is the difference between MTC and shipper's interest coverage? Motor Truck Cargo covers the carrier's legal liability for cargo loss or damage. Shipper's interest (or "all-risk" cargo insurance) covers the cargo owner's own interest regardless of carrier fault. You may need both depending on your contracts — MTC protects you as the carrier; shipper's interest protects the freight owner.

Are high-theft commodities like electronics covered under a standard MTC policy? Often not at full limits. Most MTC policies include commodity sublimits for electronics, pharmaceuticals, tobacco, spirits, and jewelry — commonly $25,000–$50,000 regardless of the policy face amount. If you haul these regularly, ask for a higher sublimit or a separate floater.

Does inland marine cover cargo theft from an unattended trailer? Yes, subject to policy conditions. Many policies require the trailer to be in a secured, attended lot or have a kingpin lock affixed when dropped. Failure to meet these conditions can result in a denied theft claim. Review your policy's "theft from unattended vehicle" clause before accepting a drop-and-hook load.

Do I need inland marine if I'm a freight broker? Freight brokers do not take physical custody of cargo, so a standard MTC policy is not the right tool. However, brokers often carry Contingent Cargo Liability to cover situations where the shipper cannot recover from the motor carrier (e.g., the carrier is uninsured or insolvent). Some broker agreements also require the broker to provide proof of a contingent cargo policy.

Will my inland marine policy cover cargo while on a ferry or rail segment of an intermodal move? Many MTC policies include a "trip in transit" extension that covers domestic intermodal segments (rail, ferry) during the same trip. However, international ocean transit typically requires a separate Ocean Cargo policy. Confirm intermodal language with your underwriter before accepting combined-mode freight.

How fast can I get a certificate of insurance showing cargo coverage? With the right information in hand, most certificates can be issued within one business day of binding. Rush requests for same-day COIs are common in trucking — Morrow handles these regularly and can typically turn around a COI the same business day.

Why Morrow for Trucking & Transportation Inland Marine

1. Independent access to multiple cargo markets. Morrow places inland marine through multiple specialty carriers and MGAs focused on transportation — we are not limited to a single carrier's appetite. That means competitive quotes across commodity classes that many standard agencies decline.
2. Transportation is a core industry for us. We understand the commodity exclusions, the broker contract requirements, the difference between a refrigeration breakdown endorsement and a mechanical breakdown rider, and why earned freight matters — not because we read a brochure, but because we work these accounts daily.
3. Same-day COI turnaround. Brokers hold loads until they see proof of coverage. Morrow's team is set up to issue certificates of insurance quickly — the same business day in most cases, so you don't lose a load waiting on paperwork.
4. Claims advocacy when it counts. Cargo claims are adjudicated on technical grounds — commodity exclusions, theft conditions, packing clause disputes. Morrow advocates on your behalf throughout the claim process, not just at policy inception.
5. Cross-coverage review. We review your full transportation insurance tower — primary auto liability, physical damage, MTC, general liability, and umbrella — to identify gaps (like an MTC limit below your shipper's contractual requirement) before a claim reveals them.

Get a Trucking Inland Marine Quote

Request a Motor Truck Cargo Quote — most submissions receive an indication within one business day.

Or call [Morrow to confirm direct phone number] to speak with a transportation specialist.

Trust strip: Morrow (Afthonea Inc, DBA Morrow) is a licensed independent commercial P&C insurance agency. Licensed in [Morrow to confirm states]. We place coverage through admitted and surplus lines carriers rated A- (Excellent) or better by AM Best. [Morrow to confirm review platform and rating count.]

Related Pages

• Trucking & Transportation Insurance — Industry Overview
• Motor Truck Cargo Insurance: Coverage & Cost Guide
• Commercial Auto Insurance for Trucking Companies
• Refrigerated Cargo Insurance
• Freight Broker Insurance: Contingent Cargo & E&O
• Inland Marine Insurance — What It Is and What It Covers

Author: Sarah Henriksen, CPCU, CIC — Commercial Lines Specialist, Morrow Sarah has over 12 years of experience placing commercial transportation and inland marine coverage for owner-operators through mid-size fleets.

Published: June 2026 Last updated: June 2026

Sources: - Insurance Information Institute (III) — Commercial Inland Marine - National Association of Insurance Commissioners (NAIC) — Commercial Lines Statistical Data - Transportation Intermediaries Association (TIA) — Broker Contract Standards - American Trucking Associations (ATA) — Industry Benchmarks - FMCSA — Minimum Financial Responsibility Requirements (49 CFR Part 387) - State Department of Insurance filings — TX, CA, IL (commodity endorsement language)