Truckload company-owned tractor mix measures the share of a carrier's tractor capacity supplied by company-owned or company-operated trucks rather than independent contractors or owner-operators.
It is an ownership-structure measure, not a utilization measure.
Company-owned capacity brings control and capital intensity
A larger company-owned fleet gives a carrier direct control over equipment specifications, replacement timing, maintenance, and driver assignment.
It also requires the carrier to fund tractors and absorb depreciation, resale-value, maintenance, and financing exposure.
Werner ended 2025 with 6,785 company tractors and 315 independent-contractor tractors in its Truckload Transportation Services segment. Schneider reported 10,908 average company trucks and 1,343 average owner-operator trucks in its Truckload segment for 2025.
Mix matters more than the raw count alone
A carrier can increase total tractor capacity by buying equipment, leasing equipment, adding owner-operators, or acquiring another fleet.
Those choices can produce different capital requirements even if Truckload Average Trucks rises by the same amount.
Marten reported that independent contractors supplied 2.9% of its tractor fleet at year-end 2025, leaving the large majority supplied by company-owned tractors.
Definitions differ across carriers
Werner discloses period-end tractor counts, Schneider reports average company and owner-operator trucks, and Marten reports both tractor counts and independent-contractor fleet percentage.
Do not compare percentages without aligning period-end versus average counts and the relevant operating segment.
Primary-source examples
Truckload company-owned tractor mix is most useful as a fleet-control and capital-intensity measure. Pair it with owner-operator mix, fleet age, capital spending, and tractor productivity.
Part of the Truckload Freight Operating Model
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