Upgrading Industry Workhorse Engines for Medium Duty Fleets

Selecting the right powertrain for Class 4 through Class 6 work trucks requires balancing raw muscle, daily fuel economy, and long-term durability. Fortunately, engine pioneer Cummins is expanding its medium-duty power portfolio to address these diverse operational demands. According to an official product release from Cummins, the company has introduced the next-generation B7.2 diesel engine alongside the purpose-built B6.7 Octane gasoline engine as part of its multi-fuel HELM platform. Built in Rocky Mount, North Carolina, these engines provide commercial fleet operators with flexible performance choices tailored to demanding vocational duty cycles.

Higher Torque Ratings and Simplified Emissions Controls

Modern vocational trucks demand exceptional low-end pulling power for heavy equipment towing and frequent stop-and-go urban delivery routes. Consequently, the new B7.2 diesel engine delivers top performance ratings up to 340 horsepower and an impressive 1,000 pound-feet of torque. Furthermore, Cummins engineered the spark-ignited B6.7 Octane gasoline engine with simplified emissions control hardware and fewer complex aftertreatment components than traditional diesel configurations. As a result, fleet operators seeking a familiar gasoline footprint can significantly cut maintenance overhead while maintaining diesel-like pull on heavy daily jobs.

Predictive Digital Maintenance and Lower Operating Costs

Preventing unexpected roadside breakdowns is vital for municipal utilities, construction crews, and regional delivery fleets that run tight schedules. Therefore, the B7.2 engine integrates seamlessly with digital prognostics tools and the Cummins Maintenance Monitor system to minimize scheduled shop visits. Additionally, both engine platforms support renewable fuels like renewable diesel and alternative gasoline blends to help fleets meet tightening regional environmental standards. Ultimately, by delivering higher torque ratings alongside advanced connectivity, Cummins equips fleet managers with durable, low-emission power solutions built to protect their total cost of ownership.

Also read: Buying vs. Leasing Work Trucks: A Side-by-Side Look