Cummins Inc., in collaboration with Ram, unveiled its new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty trucks. This launch extends the partnership between Cummins and Stellantis to supply Ram Brand through 2030, reinforcing a long-standing relationship.
The advanced engine system will be offered in the 2025 Ram 2500, 3500 Heavy Duty Pickups, and Ram 3500, 4500, and 5500 Chassis Cab trucks. It 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.
The new engine is optimized with a brand-new 8-speed transmission, providing improved acceleration, towing speeds, and responsiveness. It also features advanced emissions air handling, a new high-pressure fuel delivery system, and a new variable-geometry turbocharger, alongside enhanced serviceability features like top-side filter access and in-truck software updates.
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