If you’re an owner-operator leased to a carrier, two insurance terms you’ll hear constantly are bobtail insurance and non-trucking liability. They sound similar, are sometimes used interchangeably, and are almost universally misunderstood — yet choosing the wrong coverage (or no coverage) can leave you with a six-figure uninsured liability when you least expect it.
This article explains exactly what each policy covers, how they differ, when you need each one, and what questions to ask your broker before you sign.
The Coverage Gap That Both Policies Try to Fill
When you are an owner-operator leased to a carrier and operating under their authority, the carrier’s primary liability policy covers you while you are on dispatch — hauling a load under their motor carrier number. The moment you’re no longer on dispatch — driving home after a delivery, running a personal errand in your truck, deadheading between loads without a trailer — the carrier’s policy no longer applies.
That gap is exactly what bobtail and non-trucking liability policies are designed to fill. Without one of them, you are uninsured any time you drive your truck outside of active dispatch.
What Is Bobtail Insurance?
Bobtail insurance covers your truck when you are driving it without a trailer attached — regardless of whether you are under dispatch or not. The term “bobtail” refers to a tractor driving without a trailer (the truck cab alone), visually resembling a bobtail cat.
Coverage scenarios under a bobtail policy:
- ✅ Driving home after dropping a trailer at a customer’s dock (no trailer attached, off dispatch)
- ✅ Repositioning your bobtail to pick up a new trailer (off dispatch)
- ✅ Running a personal errand in your bobtail (off dispatch)
- ✔️ May cover: deadheading to pick up a load (on dispatch, no trailer)
What bobtail does NOT typically cover:
- ❌ Driving with an empty trailer attached
- ❌ Any haul where a trailer is connected, even if empty
What Is Non-Trucking Liability?
Non-trucking liability (NTL), also called deadhead insurance or personal use coverage, covers your truck — with or without a trailer — when you are operating it for personal, non-business purposes and are NOT under dispatch.
Coverage scenarios under a non-trucking liability policy:
- ✅ Driving your truck (with or without an empty trailer) for personal use, not under dispatch
- ✅ Driving home between runs when not under a load assignment
- ✅ Getting the truck repaired or washed on personal time
What NTL does NOT typically cover:
- ❌ Any time you are under dispatch (the carrier’s policy applies)
- ❌ Deadheading to pick up a load (this is considered “under dispatch” by most insurers)
- ❌ Your truck when loaded with cargo
Bobtail vs. Non-Trucking Liability: Side-by-Side Comparison
| Factor | Bobtail Insurance | Non-Trucking Liability (NTL) |
|---|---|---|
| Trailer required? | No trailer attached | With or without trailer |
| Under dispatch? | May cover on or off dispatch (policy-specific) | Off dispatch only |
| Personal use? | Sometimes | Yes — primary purpose |
| Deadheading to a load? | Sometimes (verify with insurer) | Usually not covered |
| Typical annual cost | $1,500–$3,500/yr | $1,200–$3,000/yr |
| What it replaces | Carrier policy gap when bobtailing | Carrier policy gap during personal use |
Which One Do You Need?
The answer depends heavily on how you operate and what your lease agreement with the carrier specifies:
- If you frequently deadhead without a trailer between loads: A bobtail policy may be the better fit, as it specifically covers the no-trailer scenario.
- If you pull an empty trailer home or use your truck for personal errands: A non-trucking liability policy offers broader personal-use coverage.
- If your lease agreement specifies one: Many carrier lease agreements require the owner-operator to carry one or both. Read your lease carefully, as some carriers specify the minimum limits required.
- When in doubt, ask your broker to review your lease and your typical operating pattern before recommending a policy.
Some insurers offer combined bobtail/NTL policies that cover both scenarios under one policy. This eliminates the coverage gap ambiguity and is often the cleanest solution for owner-operators who want comprehensive off-dispatch protection.
What These Policies Do NOT Cover
Both bobtail and NTL are liability-only coverages. They cover damage you cause to other people’s property or injuries to other people. They do not cover:
- ❌ Physical damage to your own truck (you need a separate physical damage policy for that)
- ❌ Cargo (covered by cargo insurance)
- ❌ Your own medical expenses (covered by occupational accident or health insurance)
Frequently Asked Questions
Does my carrier’s insurance cover me when I’m not on a load?
Almost certainly not. The carrier’s primary liability policy covers you while you are operating under their DOT authority and under active dispatch. Off-dispatch driving — going home, personal use, repositioning for personal reasons — is explicitly excluded by most carrier policies. Always verify the exact terms of your carrier’s policy and your lease agreement.
How much does bobtail or non-trucking liability cost?
These are relatively affordable coverages — typically $100–$300/month depending on your state, driving record, and coverage limits. Most owner-operators pay $1,500–$3,500/year. Given the potential cost of an uninsured liability claim, this is one of the most cost-effective insurance purchases an owner-operator can make.
About the Author
Sandra Kowalski is a commercial transportation finance specialist with 12 years of experience advising owner-operators on insurance structuring and risk management. → Back to the Commercial Truck Insurance & Finance Guide
Sources
- FMCSA Insurance Requirements for Motor Carriers
- Insurance Information Institute — Commercial Auto Insurance
- 49 CFR Part 387 — Minimum Levels of Financial Responsibility
Disclaimer: The information in this article is for educational purposes only and does not constitute insurance advice. Policy terms, coverage definitions, and exclusions vary by insurer and jurisdiction. Always review your specific policy wording and consult a licensed commercial insurance broker.