The Core Difference: Who Buys the Insurance
When you lease your truck to a motor carrier (operating under their MC number), the carrier is responsible for primary liability, cargo, and workers' compensation coverage while you are dispatched. When you operate under your own authority (your own MC number), you purchase and maintain all required coverage yourself.
This fundamental difference shapes every aspect of your insurance cost and coverage structure. Understanding the insurance implications of each arrangement before you make the switch — in either direction — prevents expensive surprises.
Insurance Under a Carrier Lease
What the Carrier Provides
Most standard lease agreements include the following coverage while you are dispatched:
- Primary liability ($1,000,000 minimum) — covers bodily injury and property damage liability arising from accidents while dispatched
- Motor truck cargo — covers freight damage claims from shippers and brokers
- Workers' compensation — in states where independent contractors are covered; varies significantly by state and lease structure
Carrier-provided coverage is generally strong for dispatched operation. The major carriers (Landstar, Schneider, Werner, J.B. Hunt owner-operator divisions) maintain well-rated policies with broad coverage terms that individual owner-operators could not match at equivalent cost.
What the Carrier Does NOT Provide
The carrier's coverage applies only while you are dispatched on a carrier load. The moment you go off dispatch — driving to a fuel stop, running personal errands in your truck, bobtailing home after a delivery — the carrier's liability coverage does not apply.
This gap is filled by non-trucking liability (NTL) insurance, also called bobtail insurance (though technically bobtail is more specific — see our bobtail insurance guide). NTL costs approximately $400–$700 per year and is almost always required by the carrier lease agreement.
Physical damage on your truck is also not provided by the carrier for your personally-owned equipment. If you own your truck and it's damaged — whether dispatched or not — that loss comes out of your pocket unless you carry your own physical damage policy. Physical damage on a semi truck typically costs 3–5% of the truck's value annually (a $100,000 truck: $3,000–$5,000/year).
Occupational accident insurance — income replacement and medical coverage if you're injured — is not workers' comp and is not always provided by the carrier. Many carriers offer optional occupational accident as part of their contractor services package. If not, you should carry your own.
Typical Leased Owner-Operator Annual Insurance Cost
| Coverage | Annual Cost |
|---|---|
| Non-trucking liability (off-dispatch) | $400–$700 |
| Physical damage (on your truck, $80K value) | $2,400–$4,000 |
| Occupational accident | $1,200–$2,500 |
| Total out of pocket | $4,000–$7,200/year |
Insurance Under Own Authority
When you get your own MC number, you become the responsible party for all coverage. There is no carrier absorbing your primary liability risk. This is the single biggest cost difference between the two arrangements.
What Own Authority Requires
Primary liability ($1,000,000) is the largest cost. For a single owner-operator with a clean record operating in a moderate-cost state, primary liability runs $6,000–$15,000 per year depending on truck type, state, and haul type. For new authorities — first-year MC numbers — add another 15–25% to whatever experienced operators pay.
Motor truck cargo is required by virtually every broker you'll work with. Standard cargo coverage ($100,000 limit) runs $1,200–$2,500 per year.
Physical damage is the same as under a lease — 3–5% of truck value annually.
Occupational accident is the same — $1,200–$2,500/year.
You no longer need non-trucking liability (you are always under your own authority) but you do still need bobtail liability for when you drive without a trailer.
Typical Own-Authority Owner-Operator Annual Insurance Cost
| Coverage | Annual Cost |
|---|---|
| Primary liability ($1M) | $8,000–$16,000 |
| Motor truck cargo ($100K) | $1,200–$2,500 |
| Physical damage ($80K truck) | $2,400–$4,000 |
| Occupational accident | $1,200–$2,500 |
| Total annual cost | $12,800–$25,000/year |
The gap between leased ($4,000–$7,200) and own-authority ($12,800–$25,000) is the primary cost of independence. Whether that cost is worth it depends entirely on whether your own-authority gross revenue is high enough to cover it and still exceed what you'd net under a lease.
The New Authority Premium Penalty
First-year own-authority operators pay a premium surcharge on top of the market rate because they have no track record as an independent carrier. Underwriters cannot assess the risk of an operation with no loss history. The typical surcharge is 15–25% above what a 3-year established operation would pay.
This surcharge decays over time. A clean first year typically earns a 10–15% premium reduction at Year 2 renewal. By Year 3 of clean operation, most carriers can qualify for preferred tier pricing that approaches what more established owner-operators pay.
The practical implication: your insurance costs in Year 1 of own authority will be at their highest. Build this into your financial projections before making the switch.
When to Switch From Lease to Own Authority
The financial case for own authority depends on your gross revenue per mile or per load. If you're netting more under a carrier lease than you would after covering your own authority's insurance, fuel, and administrative costs — stay leased. If your margins under lease are thin enough that the additional revenue from controlling your own freight selection justifies the higher insurance and compliance costs — own authority may make sense.
Key triggers that typically make own authority financially viable:
- Consistent $8,000+ gross per week — enough margin to absorb insurance costs
- Dedicated customer relationships that reduce your dependence on volatile spot load boards
- 2+ years of CDL experience with a clean record (reduces new-authority insurance surcharges)
- Strong cash reserve — own authority requires paying insurance monthly in the first year while you build load relationships
Also see our full owner-operator insurance guide and the new authority insurance guide for more detail on getting started.