The Confusion Is Real — And Expensive
Ask five trucking insurance agents to define the difference between non-trucking liability and bobtail insurance, and you'll likely get five different answers. The confusion isn't just semantic — it can leave hot shot truckers with a dangerous gap in coverage.
Here's the straight truth.
Bobtail Insurance: The Narrower Definition
Technically speaking, "bobtail" refers to operating a semi-truck without its trailer attached. A bobtail truck is a tractor driving without a trailer — in between loads, heading back to the terminal, or returning empty after a delivery.
Bobtail insurance, in the strictest sense, covers liability for operating your tractor without a trailer attached and outside of dispatch.
The key restriction: many bobtail policies exclude coverage when you're driving with a trailer attached, even if that trailer is empty.
Non-Trucking Liability: The Broader Coverage
Non-trucking liability (NTL) is a broader term that covers liability for operating your commercial vehicle for personal use — any time you're not under dispatch and not using the truck for commercial purposes.
NTL typically covers:
- Driving without a trailer (bobtail)
- Driving with an empty trailer (deadhead)
- Personal errands in your commercial vehicle
- Driving home between loads
Why This Matters Especially for Hot Shot Truckers
Unlike semi drivers who often drop their trailer at a terminal, hot shot truckers typically keep their trailer attached at all times — even when deadheading (returning empty) between loads. A pure bobtail policy would leave you exposed during deadhead miles.
Most reputable insurance carriers now sell NTL policies that cover both scenarios (with and without trailer), which is what the industry commonly calls "bobtail insurance" even if it's technically NTL.
The key question to ask your agent: "Does this policy cover me when I'm driving with my trailer attached but not under dispatch?"
If the answer is yes — you have non-trucking liability. If the answer is no — you have a more restrictive bobtail policy that may leave gaps.
What About the Carrier's Liability Policy?
If you're leased to a motor carrier (running under their MC authority), they carry primary liability insurance that covers you while you're under dispatch — actively hauling a load from pickup to delivery.
The moment you're done with a load and no longer under dispatch, you need your own coverage. That's where NTL/bobtail fills the gap.
The coverage sequence for a leased owner-operator: 1. Under dispatch (hauling load) → Carrier's primary liability covers you 2. Off dispatch (personal use, deadheading home, running errands) → Your NTL/bobtail covers you
What If I Have My Own MC Authority?
If you hold your own DOT/MC numbers, you don't need NTL. Instead, you need primary liability insurance that covers you whenever you're operating commercially — plus physical damage, cargo, and occupational accident.
Some owner-operators with their own authority add NTL for personal use of their truck, but it's less common than for leased operators.
Recommended Coverage for Hot Shot Truckers
Based on thousands of policies written for hot shot truckers across all 50 states, here's what we typically recommend:
For leased owner-operators:
- Non-Trucking Liability with deadhead coverage (not just bobtail)
- Motor Truck Cargo Insurance
- Physical Damage on truck and trailer
- Occupational Accident
- Primary Liability (FMCSA filing required)
- Motor Truck Cargo Insurance
- Physical Damage on truck and trailer
- Occupational Accident
- General Liability