Is bobtail the same as non-trucking liability?

They're often used interchangeably, but technically bobtail means the tractor without a trailer, while NTL covers any off-dispatch operation. Many policies bundle both into one form.

When does bobtail coverage apply?

When the tractor is driven without a trailer — picking up a trailer, dropping one off, or running personal errands.

Do I need bobtail if I have my own authority?

No — owner-operators with their own authority need primary trucking liability instead. Bobtail is specifically for owner-operators leased to a motor carrier.

What's the difference between bobtail and the carrier's primary?

The leasing carrier's primary liability covers you while under dispatch. Bobtail covers you when you're off-dispatch with no trailer attached.

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Trucking · Bobtail

Bobtail Insurance — liability when the tractor runs empty

Bobtail insurance covers liability when an owner-operator drives the tractor without a trailer attached. It's typically purchased by drivers leased to a motor carrier to cover off-dispatch driving — running personal errands or between contracts. It is not the same as primary trucking liability or non-trucking liability, though the forms overlap.

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At a Glance

Coverage type: Liability only
Limit typical: $1M CSL
When: No trailer attached
Required by: Most leasing carriers

Quick answer

Ellie Insurance Group is an independent business insurance agency (founded 2014, headquartered in Tampa, Florida) that shops 100+ carrier markets to place bobtail insurance — commercial auto liability, physical damage, motor truck cargo, and FMCSA filings (MCS-90, BMC-91X, BOC-3) — for motor carriers and owner-operators. As an independent broker we compare real quotes side by side across competing trucking markets instead of locking you into one carrier. Start an Instant Quote and a licensed agent shops your account for you.

Coverage

What this trucking program covers

Bodily injury liability
Injury to others when the tractor is bobtail.
Property damage liability
Damage to others' property when bobtail.
Defense costs
Legal defense for bobtail incidents.

Federal authority and the right insurance filings sit underneath all of this. If you run interstate, see how FMCSA filings and financial-responsibility rules (MCS-90, BMC-91/91X, BOC-3, and UCR) tie into the coverage above.

Common gaps

What it typically won't cover

Any movement under dispatch (covered by the carrier's primary)
Bobtail driven with a trailer attached (use NTL)
Damage to the tractor itself (physical damage required separately)
Cargo loss (motor truck cargo separately)
Operations under the owner-operator's own authority

How claims actually happen

Real-world losses this program responds to

Underwriting is about exposure. These are representative scenarios for this class — how a loss unfolds and which coverage answers.

Crash on the way to drop the trailer

A driver finishes a load and runs the tractor bobtail to the yard, then rear-ends a car at a light. With no trailer attached and no active dispatch, bobtail liability is the coverage that answers.

Fuel-stop parking-lot incident

While bobtail between assignments, the tractor backs into another vehicle at a truck stop. The carrier's primary liability doesn't apply off-dispatch, so the bobtail policy covers the third-party damage.

Mistaken reliance on the carrier policy

An owner-operator assumes the motor carrier insures every mile. After a bobtail wreck the carrier's insurer denies, leaving the driver personally liable — the exact gap bobtail coverage closes.

Pricing

What drives this premium

Tractor class

Class 8 OTR tractors rate higher than day cabs.

Driver MVRs

Clean MVRs keep bobtail in standard markets.

Leasing carrier

Some lessees require specific bobtail limits.

Operating radius

Long-haul rates slightly higher.

Loss history

Personal auto claims affect bobtail underwriting.

Coverage limit

Most bobtail policies are $1M CSL.

Want a realistic budget before you quote? See typical Florida truck insurance cost ranges by vehicle for primary liability, cargo, and full-program estimates across every equipment type.

Filings & compliance

Authority and insurance filings come first

Bobtail coverage is not an FMCSA filing; it backs up a leased owner-operator while the motor carrier's authority and MCS-90 cover dispatched miles. When a driver moves to their own authority, primary liability with BMC-91/91X filings replaces bobtail — we manage that transition.

Read the FMCSA filings guide

Quote checklist

What we'll need to quote

Quote checklist

What we'll need to quote

Tractor VIN and stated value
Driver license and MVR
Leasing carrier name and lease date
Primary off-dispatch use
Five-year loss history
Current declarations pages

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FAQ

Frequently Asked Questions

They're often used interchangeably, but technically bobtail means the tractor without a trailer, while NTL covers any off-dispatch operation. Many policies bundle both into one form.
When the tractor is driven without a trailer — picking up a trailer, dropping one off, or running personal errands.
No — owner-operators with their own authority need primary trucking liability instead. Bobtail is specifically for owner-operators leased to a motor carrier.
The leasing carrier's primary liability covers you while under dispatch. Bobtail covers you when you're off-dispatch with no trailer attached.

Keep reading

Explore related coverage

Trucking Hub

All programs and core lines for motor carriers.

FMCSA Filings

MCS-90, BMC-91/91X, BOC-3, UCR, and authority explained.

Cost by Vehicle

Florida truck insurance price ranges by vehicle and operation.

Motor Truck Cargo

Cargo coverage by commodity.

Non-Trucking Liability

Bobtail / off-dispatch liability.

Commercial Auto

Auto liability fundamentals.

Workers' Compensation

WC for company drivers.

Sources

Authoritative references

Coverage descriptions and regulatory figures on this page are general summaries reviewed against the references above and are not a statement of coverage, legal advice, or a guarantee of eligibility or price. Last reviewed June 30, 2026. Requirements and policy terms change — always confirm current rules with the relevant agency and verify coverage against the actual policy and a licensed agent.

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As an independent agency we shop 100+ admitted and surplus-lines carrier markets — so the carrier competes for your business, not the other way around.