Cummins Unveils B7.2 Diesel Engine for Medium-Duty Applications
Global power and technology leader Cummins Inc. (NYSE: CMI) has announced a major update to its legendary B-Series engine platform with the introduction of the Cummins B7.2 diesel engine. The unveiling took place at NTEA Work Truck Week in Indianapolis, Indiana, marking another milestone in Cummins’ legacy of innovation and performance in the commercial vehicle industry.
“Our B engine is a legend known around the world. We are proud to unveil the newest version, the B7.2 diesel engine, right here in our backyard,” stated Brett Merritt, Vice President and President – Engine Business. “The B7.2 brings the latest technology and advancements to one of our most proven platforms. Combined with the rest of our medium-duty lineup, our customers will have the right engine choices to fit their business needs, with the power and dependability they have come to expect from Cummins.”
The latest addition to the B-Series family, the B7.2, continues Cummins’ commitment to delivering high-performance and efficient power solutions for medium-duty and vocational applications. These include bus, pickup & delivery, utility trucks, refuse collection, towing, and more. The new engine incorporates the most advanced technologies to enhance reliability, efficiency, and emissions compliance.
Engine Specifications and Enhancements
The B7.2 diesel engine represents a step forward in Cummins’ medium-duty powertrain offerings. Key highlights of the new engine include:
Increased Displacement and Power Output
The B7.2 features an increased displacement, now at 7.2 liters, compared to its predecessor. This increase in engine size allows for a wider range of torque offerings and enhances flexibility for various applications and duty cycles. The engine delivers:
- Horsepower Range: 240 to 340 hp
- Torque Output: 650 to 1,000 lb.-ft
The increase in displacement enables the B7.2 to offer higher unrestricted top-end performance ratings, ensuring it meets the demands of a variety of work environments.
Designed for Versatility and Durability
Cummins has designed the B7.2 as a global platform that ensures customers are equipped to handle evolving regulatory and operational requirements without compromising performance or longevity. With its ability to serve multiple industries and applications, the B7.2 is built to withstand the toughest conditions while delivering consistent power and efficiency.
“Our customers have used the B-Series engine for more than 40 years and rely on it every day to meet their needs,” said Jose Samperio, Vice President – North America On-Highway. “It was important that we offer the reliability and performance that they have come to expect while also creating an engine that is built to last for the future.”
Technological Advancements and Features
The B7.2 diesel engine incorporates cutting-edge technology designed to optimize performance, reduce emissions, and enhance overall efficiency. Some of its key technological advancements include:
Automated Engine Shutdown & Stop-Start Capabilities
One of the standout features of the B7.2 is its automatic engine shutdown and stop-start capability. These functions improve fuel efficiency and help reduce greenhouse gas emissions by minimizing idle time. These innovations support sustainability efforts while providing cost savings for fleet operators and individual vehicle owners.
Compression Release Engine Brake
For enhanced control and safety, the B7.2 includes a compression release engine brake, which provides improved braking power. This feature helps reduce wear and tear on service brakes, extending their lifespan and lowering maintenance costs.
Extended Oil Drain Interval Pan Option
Another efficiency-boosting feature is the extended oil drain interval pan option, which increases the time between necessary maintenance intervals. This enhancement translates to fewer shop visits, lower maintenance costs, and improved uptime for operators.
Digital Connectivity and Smart Computing
The B7.2 engine is equipped with Cummins’ full suite of digital technologies, aimed at maximizing uptime and minimizing the total cost of ownership. This includes:
- Acumen® Smart Computing Hardware: The B7.2 integrates Acumen®, Cummins’ proprietary smart computing hardware, offering real-time diagnostics and predictive maintenance capabilities. This allows fleet managers to monitor engine performance, anticipate issues, and take preventive action before they escalate into costly repairs.
- Advanced Over-the-Air (OTA) Capabilities: With OTA software updates, customers can remotely enhance engine performance and apply fixes without needing to visit a service center.
- Prognostics and Maintenance Monitoring: The B7.2 is Cummins Maintenance Monitor capable, which means it actively tracks engine performance and provides alerts when maintenance is required, helping reduce downtime and optimize operations.
Manufacturing and Production Timeline
Cummins remains committed to domestic manufacturing, with the B7.2 engine set to be produced at its Rocky Mount Engine Plant in North Carolina. The facility is known for its state-of-the-art manufacturing capabilities and rigorous quality standards, ensuring that each engine meets Cummins’ exacting performance and durability expectations.
Production of the B7.2 diesel engine is scheduled to begin in 2027 for the North American market. As the industry continues to evolve, Cummins is positioning the B7.2 as a future-proof solution that aligns with both customer needs and upcoming regulatory requirements.
Cummins at NTEA Work Truck Week
For those eager to learn more about the B7.2 and other offerings in Cummins’ medium-duty lineup, the company is showcasing its innovations at NTEA Work Truck Week from March 5 to 7 at the Indiana Convention Center in Indianapolis. Attendees can visit Cummins’ Booth #763 to see the new engine up close and gain insights from Cummins’ experts on how the B7.2 can enhance their fleet operations.
The introduction of the Cummins B7.2 diesel engine marks a significant advancement in the company’s renowned B-Series platform. With enhanced power, greater fuel efficiency, and a suite of smart digital capabilities, the B7.2 is poised to become a leading choice for medium-duty and vocational applications. As Cummins continues to push the boundaries of innovation, customers can expect an engine that not only meets today’s demands but is also built for the future.
By offering increased displacement, a broad range of torque options, advanced connectivity, and sustainability-focused features, the B7.2 reinforces Cummins’ leadership in the industry. As production ramps up in 2027, fleets and operators can look forward to experiencing the next generation of durability and efficiency in medium-duty engines.
For more information, visit Cummins at NTEA Work Truck Week or check out their website to explore the full range of medium-duty power solutions.
