An Analysis of the 2024 Data Reveals Who Has the Largest Truck Fleet in the U.S.: Walmart Surpassed PepsiCo in the Private Sector, but the Overall Title Competition Is More Complex.
The competition for the title of largest truck fleet in the U.S. gained a new chapter in 2024. After a 14-year reign by PepsiCo, retail giant Walmart took the lead among private fleets, solidifying a new era in the country’s logistics.
But the question of who really has the largest truck fleet in the U.S. does not have a single answer. The competition involves different categories, with giants like UPS, FedEx, and the disruptive Amazon operating on distinct scales and business models. An analysis of the numbers reveals who the true titans are that drive the American economy.
The Change at the Top: Walmart Surpasses PepsiCo and Assumes Leadership
After a 14-year reign, PepsiCo lost its position as the largest private fleet in North America. According to the 2024 ranking by Transport Topics, the leading industry reference, Walmart is the new number 1.
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- Walmart: Operates 12,663 horsepower.
- PepsiCo: Now in second place, operates 11,618 horsepower.
Walmart’s rise is the result of an aggressive investment strategy in its internal logistics, with the purchase of over 1,300 new horsepower in one year and the creation of an internal program to train new drivers.
Private Fleets vs. Carriers: Understanding the Difference

To understand the ranking, it is crucial to differentiate the types of fleet.
Private Fleets: companies like Walmart and PepsiCo own their trucks to transport their own products. Logistics is a part of their business, not the main business.
Carriers: companies like UPS and FedEx are logistics companies. Their business is transporting cargo for other businesses.
Therefore, the answer to who has the largest truck fleet in the U.S. depends on the category analyzed.
The Freight Giants: The Colossal Fleets of UPS and FedEx
When revenue is the criterion, carriers reign supreme. UPS is number 1, with revenue of US$ 91 billion in 2023. Its fleet in North America includes 19,267 horsepower.
FedEx, number 2 in revenue, has an even larger fleet of horsepower, with an impressive 38,697 units. The reason for this difference is that FedEx has a huge division dedicated to the transportation of less-than-truckload freight (LTL), FedEx Freight, which operates most of these vehicles.
The Amazon Factor: A New Hybrid Fleet Model

Running in the background, Amazon is redefining the fleet concept. The company has its own private fleet, with 2,316 horsepower, but its true power lies in its orchestrated network.
Amazon controls a network of over 70,000 trailers and thousands of small transport companies that operate exclusively for it. In practice, the company commands a “virtual fleet” of gigantic proportions, without needing to own all the trucks.
So, Who Has the Largest Truck Fleet in the U.S.?
The answer to who has the largest truck fleet in the U.S. depends on what is measured:
- Largest Private Fleet (in horsepower): Walmart.
- Largest Carrier Fleet (in horsepower): FedEx.
- Largest Logistics Company (in revenue): UPS.
- Largest Transportation Network (in orchestrated scale): Amazon.
The competition for leadership on American roads shows that, in the world of logistics, size can be measured in many different ways.

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