What is Power Only Trucking?

Power only means a carrier provides only the tractor (the truck itself, also called the power unit) to move a trailer that belongs to someone else — typically the broker, shipper, or a third-party trailer leasing company. The carrier does not own, lease, or maintain the trailer. They hook up to the loaded or empty trailer at pickup, haul it to the destination, drop it, and move on. This differs from standard trucking where the carrier provides both the tractor and trailer.

In a power only arrangement: (1) A broker or shipper has a trailer that needs to be moved but does not have a tractor to pull it. (2) They post the load as 'power only' on a load board or contact carriers directly. (3) A carrier with a tractor (but no trailer) accepts the load. (4) The carrier hooks up to the trailer at the pickup location, hauls it to the destination, and drops it. (5) The carrier is paid for the haul, typically at a per-mile rate. The carrier never takes ownership or liability for the trailer itself — they only provide the driving power.

Power only rates typically range from $1.50 to $3.50 per mile in 2026, depending on the lane, distance, season, and urgency. The national average for power-only spot rates is around $2.00 to $2.50 per mile for dry van trailers. Shorter hauls (under 250 miles) tend to pay higher per-mile rates, while longer hauls average lower per-mile but generate more total revenue. Specialized trailers (reefer, flatbed) may command higher power-only rates. Rates fluctuate with market conditions — during peak freight seasons, power-only rates can spike significantly.

No — that is the entire point of power only trucking. You do NOT need your own trailer. You only need a tractor (the power unit). The trailer is provided by the broker, shipper, or a trailer leasing company. This is what makes power only attractive to carriers who want to avoid the $25,000 to $60,000 cost of purchasing a trailer, plus the ongoing maintenance, insurance, registration, and inspection costs that come with trailer ownership.

In regular trucking, the carrier provides both the tractor AND the trailer to haul freight. The carrier owns or leases the trailer, maintains it, insures it, and is responsible for it. In power only, the carrier provides ONLY the tractor. The trailer belongs to someone else. Key differences: power only carriers have lower startup costs (no trailer purchase), lower ongoing costs (no trailer maintenance, insurance, or registration), but typically earn lower per-mile rates and have less control over what trailers they haul. Power only carriers also cannot take freight that requires their own trailer on the return trip.

Power only can be profitable, especially for owner-operators who want to minimize overhead. Without trailer costs (purchase, maintenance, insurance, registration), an owner-operator can save $800 to $1,500 per month in expenses. However, power-only rates are typically 10-20% lower than rates for carriers who provide their own trailer. The profitability depends on the math: if the expense savings from not owning a trailer exceed the revenue reduction from lower rates, power only is more profitable. For many new owner-operators, power only is a smart way to start because it reduces the upfront investment needed to get rolling.

You need a Class A Commercial Driver's License (CDL-A) for power only trucking, the same as regular trucking. The CDL-A is required to operate any combination vehicle with a gross combination weight rating (GCWR) over 26,001 pounds — which includes virtually all tractor-trailer combinations. You may also need additional endorsements depending on what the trailer carries: a Hazmat endorsement (H) for hazardous materials, a Tanker endorsement (N) for liquid bulk, or both (X). The CDL requirements do not change just because you do not own the trailer.

The best sources for power only loads include: (1) DAT Load Board — has a dedicated power-only filter, (2) Truckstop.com — filter by 'power only' equipment type, (3) Amazon Relay — frequently posts power-only loads for their trailer fleet, (4) Direct broker relationships — many large brokers (Coyote, Echo, XPO) post regular power-only freight, (5) Dispatch services — a good dispatcher can find and negotiate power-only loads for you. Some load boards let you specifically filter for power-only freight, making it easier to find loads that match your setup.

For power only trucking, you need: (1) Primary liability insurance — $750,000 to $1,000,000 minimum, same as regular trucking, (2) Cargo insurance — typically $100,000 minimum, covering the freight on the trailer, (3) Non-owned trailer coverage — this is the critical addition for power only. Since you are hauling a trailer you do not own, you need coverage for damage to that trailer while it is in your possession. Some brokers and shippers require you to carry non-owned trailer insurance with limits of $30,000 to $100,000. Without this coverage, you could be personally liable for trailer damage. Physical damage on your own tractor is also recommended.

Advantages: (1) Lower startup costs — no trailer purchase ($25K-$60K saved), (2) No trailer maintenance expenses — tires, brakes, lights, inspections are not your problem, (3) No trailer insurance or registration costs — saves $800-$1,500/month, (4) More flexibility — you can haul different trailer types, (5) Easier to start — only need a tractor. Disadvantages: (1) Lower per-mile rates — typically 10-20% less than full-service carriers, (2) Fewer available loads — power-only is a smaller segment of the market, (3) No backhaul control — you cannot bring your own trailer for return freight, (4) Trailer condition risk — you may pick up poorly maintained trailers, (5) Non-owned trailer insurance adds cost and complexity.