No Load Aboard — but the Liability Is Still Yours.
Liability protection for the tractor running empty, whether or not it's under dispatch
Unladen liability — often abbreviated UL — is liability coverage that responds while a tractor is operated without a load aboard: either bobtailing with no trailer attached, or deadheading with an empty trailer. The defining word is *unladen* — not laden with cargo. The coverage exists because a leased owner-operator's truck is typically insured by the motor carrier only while it is actively hauling freight for the carrier, which leaves the empty-running movements exposed.
What makes unladen liability distinct is its breadth. It is frequently used interchangeably with "bobtail" and "non-trucking liability," but it is broader than either: it can respond to both bobtailing and deadheading, and in its fuller forms it does so regardless of whether the truck is under dispatch. That makes UL the widest of the three empty-running coverages — and the one whose exact wording matters most, because how a policy defines "unladen," "under dispatch," and "trailer attached" decides whether a claim is paid.
What Unladen Liability Covers
Unladen liability is defined by the absence of a load rather than by the purpose of the trip:
Third-Party Bodily Injury — Covers injuries the driver causes to others while operating the tractor unladen — bobtailing or deadheading.
Third-Party Property Damage — Covers damage the driver causes to others' vehicles or property while running empty.
Deadhead Movement — Covers the tractor pulling an empty trailer, a gap narrower bobtail policies may not reach.
Legal Defense Costs — Pays the cost of defending covered liability claims, subject to policy terms.
What It Does Not Cover
Unladen liability is narrow, liability-only coverage, so it excludes:
Any period the truck is hauling a loaded trailer in the carrier's service (the motor carrier's primary liability)
Cargo and freight (covered by motor truck cargo)
Physical damage to the insured's own tractor (covered by physical damage)
The driver's own injuries (covered by workers' compensation or occupational accident)
Who Needs Unladen Liability Insurance
Unladen coverage fits owner-operators whose tractor is insured by the carrier only while hauling freight, including:
Owner-operators leased to a motor carrier under the carrier's primary liability
Drivers who routinely deadhead empty trailers back or reposition between loads
Operators whose lease agreement specifies unladen liability at set limits as a condition of leasing on
Drivers who want the broadest empty-running protection rather than a bobtail-only or personal-use-only form
Carriers running under their own authority, who typically insure the tractor around the clock, generally do not need a separate unladen policy.
Unladen vs. Bobtail vs. Non-Trucking Liability
These three are the most confused coverages in trucking. They overlap but are not the same, and a single trip can fall under one, two, or none of them:
Unladen Liability (UL) — Covers the tractor running without a load — bobtailing or deadheading an empty trailer — in its broadest forms regardless of dispatch status. The widest of the three.
Bobtail Liability — Covers the tractor specifically with no trailer attached while not under dispatch. Narrower — it turns on the trailer being off.
Non-Trucking Liability (NTL) — Covers the truck during personal, non-business use while off dispatch — the grocery run after the last load. Turns on the trip being personal, not on the load.
Because the triggers differ — load aboard, trailer attached, under dispatch, personal use — the right coverage depends on how the owner-operator actually runs and how the carrier's primary policy is worded. See bobtail insurance and non-trucking liability insurance for the narrower forms.
How Coverage Is Structured
Unladen liability is designed to sit around the motor carrier's primary liability, not on top of the same exposure:
It is usually written as a policy or endorsement for the owner-operator, sometimes blended with bobtail and non-trucking liability
Limits are commonly a combined single limit in the range of $500,000 to $1,000,000 (illustrative), often set by the lease
The core trigger is the absence of a load — coverage is intended for empty running the primary policy does not cover while hauling
Primary liability and unladen coverage are meant to be mutually exclusive by trigger rather than stacked
Real-World Claim Examples
A driver delivers a load, then deadheads an empty trailer back toward the yard and causes an at-fault collision
After dropping a trailer, an owner-operator bobtails to a fuel stop and strikes another vehicle
Running empty between assignments, the tractor is involved in an intersection accident with injuries to a third party
Why Proper Placement Matters
The single biggest error in this class is treating unladen, bobtail, and non-trucking liability as one and the same, so placement turns on:
The exact definition of "unladen" in the form — whether it reaches deadheading and whether dispatch status matters
The difference from bobtail (no trailer) and non-trucking liability (personal use), since a trip can be one, both, or neither
Whether running empty to reposition for freight is treated as business use the primary policy covers, or unladen exposure the UL policy covers
Garaging location, driver age and record, truck type, radius, and the limits the lease requires
Because these definitions vary by carrier, the coverage should be matched to the owner-operator's actual lease and movement patterns rather than bought by label alone.
Regulatory & Contract Context
Unladen liability is not a federal filing. The FMCSA requires the motor carrier to maintain primary liability, and under 49 CFR 376.12(c)(1) the lease must give the carrier exclusive possession, control, and use of the equipment for the duration of the lease. That exclusive-possession clause is why the carrier's primary policy attaches while the equipment is in the carrier's service — and why a gap appears for empty, non-revenue movement. The regulation does not itself allocate insurance responsibility, so the lease's own insurance provisions and the owner-operator's unladen policy fill that role, and lease agreements commonly require unladen or bobtail coverage at specified limits.
Our Approach
At Cory Washington & Co., we place unladen liability to match how an owner-operator actually runs — reading the lease, understanding when the tractor moves empty, and confirming how the carrier defines "under dispatch" and "unladen" so there is no gap between the primary policy and the empty-running exposure. We coordinate it with bobtail, non-trucking liability, physical damage, and cargo so the whole program fits together, and we insure related transportation businesses, including trucking companies and truck repair shops.
Our goal is coverage that responds the moment the load comes off — not a claim denied over a definition.
All insurance descriptions on this website are provided by Cory Washington & Co. LLC strictly for general informational purposes. They are not intended to be, and should not be relied upon as, legal, financial, or insurance advice. The information presented is general in nature and does not guarantee the availability, terms, conditions, or scope of any insurance coverage. Actual coverage is determined solely by the specific policy language issued by the insurer and remains subject to underwriting approval. Nothing on this website creates or implies an agent-client relationship, binds coverage, or alters any existing policy. Cory Washington & Co. LLC expressly disclaims any liability for actions taken, or not taken, based on the content provided here. For advice regarding your particular situation, please consult directly with a licensed insurance professional at Cory Washington & Co. LLC or another qualified insurance professional, and always review your policy documents in full.
See what to confirm in a owner-operator bobtail & non-trucking policy — what's standard, what's often limited, and what to add if needed — plus the gap most often missed, in the Owner-Operator Bobtail & Non-Trucking Policy Feature Checklist.
Complete the Owner-Operator Bobtail & Non-Trucking Supplemental online in a few guided steps, download the fillable PDF, or browse all applications.
Frequently Asked Questions
How do I get unladen liability insurance through Cory Washington & Co.?
Request a quote or contact our team. We start with a short conversation about your operations, analyze your exposures, then negotiate unladen liability insurance across multiple carriers that compete for your account and present options with the trade-offs explained. Cory Washington & Co. LLC is licensed in all 50 states.
How much does unladen liability insurance cost?
It depends on your exposure. Unladen liability insurance is priced on factors like your industry, size, prior claims, and the limits and deductibles you select — so two businesses rarely pay the same. We shop your account across competing carriers and present the trade-offs in plain English.
Who needs unladen liability insurance?
Whether unladen liability insurance is strictly required depends on your state, your contracts, and your lenders or clients. Even where it is not mandatory, going without it can leave serious financial gaps. We assess your exposure and any contractual requirements, then structure coverage that meets both.
What if another agency has already declined or non-renewed my coverage?
Difficult, specialty, and previously-declined placements are a core part of our work. We access excess & surplus (E&S) and specialty markets that many generalist agencies cannot, and we explain the trade-offs clearly so you can decide with confidence.
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