Ram Introduces Reworked 2025 Heavy Duty Trucks

It's a little late for Christmas, but Ram has officially unwrapped its latest 2500 and 3500 Heavy Duty trucks

At the core of the 2025 Ram Heavy Duty lineup are two engine choices. The new 6.7-liter Cummins High-Output Turbo Diesel engine produces 430 horsepower and a class-leading 1,075 lb-ft of torque.

The headline is a maximum towing capacity of 36,610 pounds, but details include a redesigned block, a reworked intake manifold with a focus on charge shape, along with improved intake, and exhaust valves. Ram said the new CP8 fuel pump puts out 2200 bar of pressure or north of 30,000 psi, which should translate to better durability and efficiency improvements which mean more power and better emissions performance.

Complementing the diesel option is the 6.4-liter Hemi V8 engine, delivering 405 horsepower and 429 lb-ft of torque, providing a maximum payload capacity of 7,590 pounds and a max towing of 23,000 pounds. Both engines are paired with the new TorqueFlite HD 8-speed automatic transmission, which improves towing performance and fuel efficiency while delivering smoother shifts.

Ram says with the wider band of an 8-speed gearbox it was able to turn first into an effective granny gear for when the truck is heavily loaded. However, the control unit will enable second-gear starts when the truck is unladen to minimize shifting. Sixth gear is 1-to-1, with seventh and eighth functioning as overdrives.

More importantly, pairing the 8-speed with the Cummins means the 2025 Ram HD's max towing capabilities are available with a more fuel-efficient 3.42 rear axle ratio. Previously, max towing was accessed with a 4.10 axle ratio.

The 2025 Ram HD trucks feature redesigned grilles that vary by trim level, standard LED headlights and taillights, and new wheel designs. The class-exclusive RamBox Cargo Management System continues to offer lockable, weatherproof storage compartments integrated into the bed rails, now equipped with a 115-volt outlet for added functionality.

Bigger design changes happened inside the cabin The centerpiece is a new 14.5-inch touchscreen display with split-screen functionality, accompanied by a 10.25-inch passenger screen that allows the front passenger to manage navigation or stream media via HDMI.

More importantly, Ram has moved away from the rotary dial gear shifter and gone back to a column-mounted shift lever for all trucks. Functionally, it's still the same electronic shifting system, but the user experience should be much better with the gear selector mounted on the tree again, especially for those who use the truck to plow for example.

Other technological highlights include dual wireless phone charging, an onboard power inverter with up to 2.4 kilowatts of output, and a fully digital rearview mirror that enhances towing visibility.

Safety enhancements for the 2025 Ram Heavy Duty trucks include standard adaptive cruise control, forward collision warning, and park assist systems. Additional features like drowsy driver detection and traffic sign recognition are available on higher trim levels.

The 2025 Ram Heavy Duty lineup starts at $47,560 for the Ram 2500 and $48,565 for the Ram 3500, including destination fees. Built in Saltillo, Mexico, trucks are expected to arrive at dealerships in the first quarter of 2025.

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