For decades, one question has echoed through Ram enthusiast forums, off-road events, and dealership floors alike: Why can’t you get a Power Wagon with a Cummins diesel?
For 2027, Ram finally delivers the answer hardcore truck fans have been waiting for. The Ram 2500 Power Wagon is now available with the legendary 6.7-liter Cummins High-Output turbo diesel, creating the most capable and versatile factory-built Power Wagon in the model’s long history. This is not a superficial upgrade or a marketing experiment. The 2027 Power Wagon Diesel represents a full evolution of the nameplate, blending uncompromising off-road hardware, modern towing technology, and diesel torque into one no-compromise heavy-duty truck.
The Power Wagon name carries serious historical weight. It first appeared in 1945, derived from Dodge’s WC-series military trucks used during World War II. Those early Power Wagons were engineered for environments where roads did not exist, earning reputations in agriculture, construction, and remote industrial work long before four-wheel drive became mainstream.
Civilian production continued through 1980, cementing the Power Wagon as one of the toughest trucks ever built. When Ram revived the name in 2005, it was not introduced as a trim level. It became a purpose-built off-road model that prioritized articulation, traction, and durability over raw towing numbers. For years, that philosophy meant gasoline power only. Diesel torque and heavy hauling were reserved for other Ram HD trims. The 2027 Power Wagon Diesel finally reunites the original go anywhere, do anything spirit with the powertrain customers have been demanding.
At the heart of the 2027 Ram 2500 Power Wagon Diesel is the 6.7-liter Cummins High-Output inline-six, producing 430 horsepower and a massive 1,075 lb-ft of torque. Those figures do more than impress on paper. They fundamentally change how the Power Wagon performs in real-world conditions.
Low-speed crawling becomes smoother and more controlled. Steep climbs require less throttle input. Loose surfaces like sand, mud, and rock are handled with calm authority rather than brute force. For overlanders, the diesel’s efficiency and torque curve reduce fuel stops while handling campers, recovery gear, or trailers with ease. The engine is paired with the ZF-sourced TorqueFlite HD 8-speed automatic transmission and a 3.42 rear axle ratio. This setup delivers short lower gears for trail work and relaxed high-gear cruising for highway travel, resulting in improved efficiency and long-distance comfort. A standard 31-gallon fuel tank provides an estimated driving range of up to 600 miles, making the Power Wagon Diesel especially appealing for remote travel and extended expeditions.
Despite the added weight and torque of the diesel engine, the Power Wagon retains its reputation as the most off-road-capable full-size pickup available from the factory. Solid front and rear axles feature electronic locking differentials, while a class-exclusive electronic disconnecting front sway bar allows maximum articulation over uneven terrain. Ram’s five-link coil rear suspension, still unique in the heavy-duty segment, delivers superior ride quality and wheel travel compared to traditional leaf-spring setups.
Power Wagon-specific Bilstein monotube shocks are tuned for sustained off-road abuse. Ground clearance measures 13.2 inches, supported by strong approach, departure, and breakover angles. Mopar rock rails come standard, protecting vital bodywork when trails get tight. For the first time ever, Automatic-Leveling Rear Air Suspension is available on a Power Wagon, maintaining ride height under load without compromising trail capability.
The 2027 Power Wagon Diesel looks exactly how a modern off-road icon should. A sport performance hood, powder-coated steel bumpers, and Satin Black accents reinforce its aggressive stance. Black Power Wagon wheel flares, bedside graphics, and subtle Satin Black Cummins badging signal that this is not an ordinary heavy-duty pickup. The truck rides on 20-inch Satin Black aluminum wheels wrapped in 34-inch all-terrain tires, striking a balance between trail grip and on-road stability. Optional features such as RamBox cargo management, LED bed lighting, and power-folding tow mirrors add everyday usability without diluting the truck’s rugged identity.
Inside, the Power Wagon Diesel benefits from Ram’s class-leading heavy-duty cabin design. The layout is solid and functional, with large glove-friendly controls and generous storage throughout. Buyers can choose a heated cloth bench seat for a more work-focused setup or upgrade to leather-trimmed heated and ventilated bucket seats. Available Level 1 and Level 2 Equipment Groups introduce premium materials, memory functions, ambient LED lighting, wireless charging, and Power Wagon-specific branding. Despite the added refinement, the cabin remains truck-first. Materials are durable, storage is practical, and controls are designed for real use rather than showroom appeal.
Historically, Power Wagon owners traded towing capacity for trail performance. The diesel finally eliminates that compromise. The 2027 Power Wagon Diesel delivers serious towing and payload capability while retaining its unmatched off-road credentials. For the first time, fifth-wheel and gooseneck prep is available, along with Trailer Reverse Steering Control, Trailer Tire Pressure Monitoring, and a full 360-degree camera system.
The 2027 Power Wagon Diesel feels like the truck Ram loyalists have been waiting for. It honors the model’s deep-rooted heritage while finally eliminating its biggest limitation. By combining legendary Cummins torque, class-exclusive off-road hardware, modern technology, and real towing capability, Ram did not just evolve the Power Wagon. It completed it.
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