Cummins drivetrain and braking systems
We supply a wide range of industry-leading drivetrain systems, including axles, brakes, suspensions, drivelines and aftermarket parts, for the commercial vehicle and industrial markets.
Serving our customers for over a century
In August 2022, Cummins Inc. acquired Meritor, Inc. This positions Cummins as one of the few companies offering fully integrated powertrain solutions.
Dependable drivetrain solutions
Aftermarket
As North America’s leading source of aftermarket parts for commercial vehicles, our Aftermarket group takes after-the-sale support as very serious business.
Axles
Our extensive axle portfolio includes front-drive and non-drive axles as well as single, tandem and tridem rear-axles for markets in North and South America, Europe and Asia Pacific.
Brakes
We are the global braking leader both in size and capability for the commercial vehicle industry, supplying braking systems for trucks, trailers, buses and coaches.
Carriers
Carriers are the heart of every Cummins-Meritor axle. Suitable for axles with a gross axle weight from 3-18 tons and gross combination weight from 9-100 tons, each carrier is fabricated in-house.
Drivelines
Moving past your competition is the power Cummins-Meritor offers. Our drivelines are a perfect example of the edge customers get with our products. These drivelines link transmissions and drive axles for trouble-free driving.
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Gearboxes and Power Take-Offs (PTOs)
Cummins-Meritor gearboxes, split-shaft power take-off units, creeper drives and power dividers are especially suited for severe-duty, high-mobility, high-torque, all-wheel drive configurations for a broad range of applications.
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Gears
Cummins-Meritor is a global leader in the design and manufacture of precision-forged gears. We offer gear solutions used in a majority of Class 5-8 commercial vehicles manufactured in North America and worldwide.
Tire Inflation Systems
Equipped on more than 1 million trailers, the Meritor® Tire Inflation System (MTIS™) helps keep tires properly inflated to reduce wear and increase fuel economy.
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Transfer Cases
Our transfer cases offer excellent durability and fit for multiple applications, including medium- and heavy-duty trucks for off- and on-highway, agricultural machinery, mining equipment and defense platforms.
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Transmissions
Extreme-duty vocational vehicles need an auxiliary transmission suited for a variety of on- and off-highway applications, including logging, mining, heavy haul, oil field and military.
A Heritage of Innovation
Innovating since 1909, driving into the future.

Detroit, Michigan
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Latest News and Insights
Explore our latest articles, components, and company updates.

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Cummins Reports
Cummins Inc. (NYSE: CMI) today reported results for the third quarter of 2025. “Cummins delivered strong operating results in the third quarter, driven by profitable growth in our Power Systems and Distribution segments, due in part to continued rising demand for backup power for data centers. Effective cost management across the company helped navigate through the anticipated sharp decli
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Powered by Purpose: Meet Sergio B.
For Sergio B. – known to friends and colleagues simply as Checo – his journey to Cummins began long before he ever set foot in Columbus, Indiana. Coming from a working family, he grew up watching his mother dedicate herself to long hours in manufacturing plants. “That’s where my fascination with this industry first began,” he says. “My mom used to tell me, ‘A good company is one that offers good b
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Keeping the cloud and planet online
How do we keep AI running when the grid starts to strain? Bhargava joins Kim to explore the pressure data centers are placing on global power systems. He explains what’s changing in energy demand, why data center operators are bringing their own power, and how Cummins is stepping in with more sustainable solutions. Through examples such as battery energy storage systems (BESS) and advanced g
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