COLUMBUS, Indiana - Cummins Inc., a multinational engine manufacturer, has introduced the 2025 6.7-liter Turbo Diesel engine system for Ram Heavy Duty trucks, marking the most advanced diesel pickup engine to date. The advanced 6.7-liter Turbo Diesel engine and powertrain from Cummins will power the 2025 Ram 2500 and 3500 Heavy Duty Pickups, as well as the Ram 3500, 4500, and 5500 Chassis Cab trucks.
Mr. Jane Beaman, Vice President of Global On-Highway and Pickup at Cummins, said, “We’ve improved the power, efficiency, serviceability and driveability of our latest 6.7L Turbo Diesel engine, making the 2025 Ram Heavy Duty lineup the most desirable yet.”
The next-generation Cummins 6.7L Turbo Diesel engine system reflects the brand's 106-year legacy of reliability and durability while setting new standards for performance and efficiency. This advanced engine delivers High-Output ratings of 430 horsepower and 1,075 lb.-ft. of torque for Pickups, and 360 horsepower and 800 lb.-ft. of torque for Chassis Cab models. Developed in collaboration with Ram and their powertrain providers, the 2025 Cummins 6.7L Turbo Diesel features a new 8-speed transmission, enhancing power, responsiveness, and drivability.
Ms. Jennifer Rager, General Manager of Pickup Business, said, “Whether you are towing heavy loads for work or pulling your weekend camper, Cummins 6.7 Turbo Diesel is ready for any project. Our engineers have integrated critical, yet versatile, high-performance engine technologies that customers expect at lower emissions. We’re thrilled to continue our partnership with Ram Brand and introduce the best diesel Pickup engine in the industry.”
The 2025 Ram Heavy Duty trucks powered by Cummins boast improved acceleration, towing performance, and reduced noise, thanks to upgrades like helical valve train gears. Enhanced emissions management, a new fuel system, and an advanced turbocharger optimize efficiency and power. Maintenance is simplified with top-side serviceable filters and in-cabin software updates, while advanced glow plugs ensure reliable cold starts in extreme conditions.
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