Commercial truck insurance refers to a group of coverages, not one all-purpose policy. The right program depends on who owns the equipment, whose operating authority is used, what is hauled, where the truck operates, who drives, and what the lease, lender, shipper, or broker requires.
Commercial auto liability may pay covered sums the insured legally must pay because of bodily injury or property damage caused by an accident involving a covered auto. The declarations and coverage symbols determine which vehicles are covered. Driver eligibility, exclusions, endorsements, defense provisions, and policy territory also matter.
Federal law is framed as financial responsibility, which can sometimes be satisfied by insurance, a surety bond, or authorized self-insurance. Under 49 CFR 387.9, a for-hire carrier transporting nonhazardous property in interstate or foreign commerce in a vehicle with a GVWR of 10,001 pounds or more generally has a $750,000 minimum. The table sets $1 million or $5 million minimums for specified oil, hazardous-material, hazardous-substance, and hazardous-waste operations. The actual row must be matched to the vehicle, commodity, and type of carriage.
When insurance is used to satisfy applicable federal public-liability requirements, an MCS-90 endorsement is attached to the policy. For operating authority, the registered insurer or other financial-responsibility provider submits the applicable BMC-91, BMC-91X, or BMC-82 proof to FMCSA.
The MCS-90 does not turn every loss into a covered claim for the motor carrier. Subject to its wording, it can require payment of certain final judgments within the stated limit even when the policy would not otherwise respond. The insured may have to reimburse the insurer for an endorsement-only payment. Cargo and injury to the insured's employees are outside the endorsement.
A leased owner-operator should compare the lease with the motor carrier's policy and certificate. The lease must identify the carrier's public-protection insurance obligations and specify who pays for other insurance. A carrier deduction does not prove that every exposure is covered.
A carrier operating under its own authority must arrange the required state and federal proof, keep it active, and make the policy match the registered legal entity and real operation. A USDOT number, MC authority, BOC-3 designation, and insurance filing are separate items; none should be used as shorthand for the others.
Compare proposals line by line. The same limit can sit on materially different coverage forms.
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