Prime mover truck on Australian highway – commercial motor insurance for owner operators

Prime Mover Insurance

Specialist cover for prime movers, B-doubles, and road trains. We help Australian owner-operators and fleet managers find the right protection at competitive rates.

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Quick answer

Prime mover insurance is commercial motor cover arranged for the cab unit that hauls semi-trailers. Depending on the policy, it may cover accidental damage to the insured prime mover and third party property damage arising from insured vehicle use.

Trailers, carried goods, public liability, pollution, hire costs and business interruption are separate cover questions. Each vehicle and trailer must be correctly scheduled or otherwise addressed by an agreed extension, and the policy must reflect the freight, radius, drivers and contracts involved.

What is Prime Mover Insurance?

Prime mover insurance is commercial motor cover arranged for the cab unit that hauls semi-trailers across Australian roads.

Unlike standard truck insurance, it addresses the unique risks of long-haul transport, high vehicle values, and the heavy-duty nature of prime mover operations.

Commercial motor is the core cover. Goods in transit, public liability, hire costs and machinery breakdown are separate questions that may require additional sections, extensions or policies.

Prime mover owner operator discussing insurance options with a Tank broker

Why is Prime Mover Insurance necessary?

Prime movers can represent a significant capital investment. An accident, theft or fire can create vehicle damage and downtime costs that need to be measured against the operator's ability to absorb a loss.

Beyond the vehicle itself, owner-operators may face separate exposures involving cargo, third-party property and income loss during downtime. The insurance program needs to address each exposure deliberately; they are not automatically included in commercial motor cover.

A correctly structured policy can protect the insured vehicle and may reduce the financial impact of an insured loss.

Coverage options

What does Prime Mover Insurance typically cover?

Motor Vehicles

Commercial Motor Insurance

Accident damage, fire, theft and storm for the prime mover itself, insured for market or agreed value.

Goods Cargo

Goods in Transit Insurance

Cover for the freight you carry, from general cargo through to temperature sensitive loads.

Liability Third party

Public Liability Insurance

Third party injury and property damage arising from your transport operations.

Hire Continuity

Hire Vehicle Costs

A replacement prime mover to keep income flowing while yours is repaired or replaced.

Policies can be customised to include mechanical breakdown, personal effects, and hire costs depending on your operational needs.

Who needs cover

Who needs Prime Mover Insurance?

Owner-operators and fleet managers should assess vehicle, trailer, cargo, liability and downtime exposures against their contracts and ability to absorb a loss.

01

Owner-Operators

Single-vehicle operators pulling semi-trailers for freight companies or direct clients. Your prime mover is your livelihood.

02

Fleet Managers

Businesses running multiple prime movers and considering a consolidated renewal, coordinated claims process and fleet-rated terms where available.

03

Subcontractors

Drivers contracted to logistics companies like Toll, Linfox, or StarTrack who require proof of insurance before signing contracts.

04

Interstate Operators

Long-haul drivers crossing state lines with varying road conditions, longer distances, and higher fatigue risks.

Personal or domestic motor policies generally do not cover disclosed commercial freight operations. The vehicle use, freight, radius and trailer arrangements must be accurately disclosed and accepted by the insurer.

Common questions

Frequently Asked Questions

Prime mover driver shaking hands with a broker beside a truck

Ready to protect your prime mover?

Call us on 02 9000 1155 or request a quote online. We'll approach suitable insurers and underwriting agencies and explain the material differences in available terms.

Expert Review: 08/08/2026

Verified by Tank Insurance Brokers

Call Us Now +61 2 9000 1155