2027 Ram Heavy Duty: Power Wagon Diesel, Enhanced Capability & New ERV
By Adam Chehayeb
Ram's 2027 Heavy Duty lineup elevates performance with the Cummins diesel Power Wagon, increased payload, and a specialized Emergency Response Vehicle. Discover the future of power and versatility.
Introduction
The 2027 model year heralds a significant strengthening of Ram’s Heavy Duty pickup range, bringing forth a suite of enhancements designed to boost performance, expand utility, and offer greater flexibility for a diverse clientele. From hardcore off-road enthusiasts to demanding commercial operators and specialized emergency response fleets, Ram is recalibrating its 2500 and 3500 series with new powertrain combinations, increased payload capacities, and an array of refined options. These updates underscore Ram's commitment to delivering powerful, capable, and purpose-built trucks for every challenge.
Ram 2500 Power Wagon Gets Cummins® Diesel Power
Perhaps the most anticipated update for the 2027 Ram Heavy Duty lineup is the unprecedented arrival of the 6.7 litre Cummins® High Output turbo diesel engine in the Ram 2500 Power Wagon. This marks a historic moment, as it's the first time Ram's most off-road-focused Heavy Duty pickup will be available with the legendary Cummins® diesel power. This innovative configuration marries the Power Wagon’s specialized off-road equipment with the inherent advantages of Cummins® diesel engines: exceptional low-speed torque, formidable towing capability, and impressive long-distance efficiency.

The 6.7 litre Cummins® engine delivers a robust 430 horsepower and an approximate 1,457 Nm of torque, paired seamlessly with a TorqueFlite® HD eight-speed automatic transmission. This represents a substantial increase in torque compared to the familiar 6.4 litre HEMI® V8, which produces 410 horsepower and approximately 582 Nm of torque. While the HEMI® V8 continues to offer a responsive, naturally aspirated character, the Cummins® variant is tailored for buyers who prioritize heavy-duty towing, substantial loads, and extended long-distance driving.
Unleashing Greater Towing and Payload Capability
The Cummins® powered Power Wagon isn't just about raw engine torque; it translates directly into enhanced practical capability. According to Ram, this new configuration can tow nearly 9,072 kilograms and carry a payload approaching 1,360 kilograms when properly equipped. This significantly broadens the Power Wagon’s utility, making it an even more versatile tool for work, overlanding, and recreational towing. Owners can now confidently transport all-terrain vehicles, hitch up large trailers, or carry extensive camping equipment, all while retaining the truck’s established prowess for off-road excursions.

Adding to its newfound versatility, the Power Wagon also gains fifth wheel and gooseneck preparation for the first time. This crucial addition provides buyers with greater flexibility in choosing trailers for both commercial applications and recreational pursuits. It is important to note that actual towing and payload ratings are dependent on the specific vehicle configuration, equipment, passengers, and cargo, and buyers should always verify the limits of their individual truck.
Built to Conquer Beyond Paved Roads
The integration of a diesel engine has not compromised the fundamental equipment that defines the Ram Power Wagon's legendary off-road capability. The 2027 model retains its robust solid front and rear axles, complete with electronic locking differentials. When the rear locker is disengaged, it intelligently functions as a mechanical limited-slip differential, providing additional traction during conventional driving scenarios. The front and rear axles feature a 3.42 final drive ratio, complemented by upgraded 38 mm rear axle shafts designed to manage the diesel engine’s substantial torque output.

Further reinforcing its off-road credentials, a disconnecting front stabilizer bar allows for greater suspension articulation when traversing uneven terrain. Bilstein® shock absorbers, Hill Descent Control, and extensive underbody protection—including protective plates for the transfer case, fuel tank, and diesel exhaust fluid tank—ensure the Power Wagon is ready for the most challenging environments. The truck comes equipped with approximately 86 cm all-terrain tires, a distinctive sport performance bonnet (as seen on the featured model), protective rock rails, and signature Power Wagon exterior graphics.
Extended Range for Epic Overlanding Adventures
For adventurers and overlanders, the diesel Power Wagon offers a significant advantage: an extended driving range. Equipped with a fuel tank holding approximately 117 litres, Ram estimates that this combination can deliver a driving range of around 966 kilometres under suitable conditions. This extended range makes the Cummins® powered Power Wagon exceptionally appealing for journeys through remote areas where fuel stations can be few and far between. Its unique blend of diesel efficiency, high torque, and factory-installed off-road equipment provides buyers with a purpose-built solution, eliminating the need for extensive aftermarket modifications often required for conventional Heavy Duty trucks. It is important to remember that actual driving range will fluctuate based on factors such as speed, load, terrain, weather conditions, and individual driving style.

The Enduring Power of the HEMI® Power Wagon
Ram is keen to emphasize that the new Cummins® model does not replace the gasoline-powered Power Wagon. The powerful 6.4 litre HEMI® V8 remains a core part of the 2027 Power Wagon range. The gasoline model continues to offer an optional beadlock capable wheel, providing additional flexibility for drivers who frequently adjust tire pressures for demanding off-road excursions. Furthermore, Ram has made its factory-installed Warn® electric winch more accessible. For HEMI® powered Rebel and Power Wagon models, the winch can now be selected as a standalone option, eliminating the requirement for a larger, more expensive equipment package. This change grants buyers greater freedom to add essential capability without incurring costs for unrelated features. The choice between the HEMI® and Cummins® versions will ultimately hinge on the truck's intended use, with the gasoline engine offering traditional V8 response and sound, while the diesel delivers substantially more torque, towing potential, and driving range.
Significant Payload Boost for Ram 2500
Capability improvements for 2027 extend beyond the Power Wagon. Ram is introducing a new Payload Upgrade Package for most 2027 Ram 2500 models equipped with the 6.4 litre HEMI® V8. This package significantly increases the gross vehicle weight rating (GVWR) from approximately 4,536 kilograms to 5,008 kilograms. Properly configured trucks can achieve a maximum payload rating of approximately 2,077 kilograms. To accommodate this enhanced capacity, the package incorporates a Ram 3500 frame, robust rear leaf springs, and an anti-spin rear differential. This Payload Upgrade Package will be available on selected Tradesman, Big Horn, Lone Star, Laramie, Limited, and Limited Longhorn configurations. It is particularly beneficial for commercial operators who require increased payload capacity but prefer the more manageable dimensions and positioning of the Ram 2500.
Enhanced Capacity for Selected Ram 3500 Models
The 2027 Ram 3500 also sees an increase in capacity for certain gasoline-powered configurations. Specifically, four-wheel-drive, single rear wheel Regular Cab trucks with an approximately 2.44 metre cargo box, and Crew Cab trucks with an approximately 1.93 metre box, can now achieve a maximum gross vehicle weight rating of around 5,189 kilograms when equipped with the 6.4 litre HEMI® V8. This represents an increase of approximately 181 kilograms compared to equivalent 2026 models. This additional capacity provides both commercial and private buyers with greater flexibility when transporting equipment, tools, or cargo, potentially eliminating the need to upgrade to a dual rear wheel configuration for moderate increases in load.
Introducing the Ram 2500 Emergency Response Vehicle (ERV)
Expanding its specialized offerings, Ram is introducing the 2027 Ram 2500 Emergency Response Vehicle, or ERV. Developed specifically for law enforcement, fire, rescue, and other government agencies, the ERV is Ram’s first pursuit-capable three-quarter-ton Heavy Duty pickup. Building upon the Ram 2500 Special Service Vehicle, the ERV integrates performance hardware, essential underbody protection, and factory provisions for crucial communications and emergency equipment. Power for the ERV comes from the reliable 6.4 litre HEMI® V8, complemented by a 4.10 axle ratio, an anti-spin rear differential, transfer case protection, and durable 18-inch steel wheels. To streamline the installation of specialized equipment, Ram includes a vehicle systems interface module, auxiliary switches, dedicated wiring circuits, and dual alternators producing a combined output of 400 amps. These factory provisions are designed to significantly reduce the amount of modification required when preparing the vehicle for professional service.

The Ram 2500 ERV underwent rigorous evaluation by the Michigan State Police, assessing its acceleration, braking, handling, ergonomics, and sustained high-speed durability. This comprehensive testing included repeated anti-lock braking exercises and 32 laps around Grattan Raceway, aiming to confirm that the Heavy Duty pickup could blend pursuit-capable performance with the demanding towing and hauling requirements of emergency agencies. The ERV will be exclusively available to qualifying fleet customers, reflecting Ram's strategic expansion of the Heavy Duty range into more specialized professional applications beyond conventional private and commercial users.
Streamlined Options: More Flexibility for Buyers
For 2027, Ram is making several popular appearance and capability features easier to order, empowering buyers to configure trucks that more closely match their individual needs. The Sport Appearance Package and Night Edition Package can now be combined with Level 1 and Level 2 equipment groups, removing the previous requirement to select the more expensive Plus versions of those packages. The distinctive sport performance bonnet is now available separately on Rebel and Power Wagon models, and can also be ordered on Big Horn trucks equipped with either the Night Edition or Sport Appearance Package. Tradesman buyers gain the flexibility to select the anti-spin rear differential without needing to purchase the complete Level 1 Equipment Group. Furthermore, Laramie models receive expanded availability for the innovative RamBox® cargo management system, along with newly available body-coloured fender flares. These thoughtful changes provide customers with enhanced freedom to customize their truck without acquiring unnecessary equipment.
New Identity: HEMI® Badge and Exterior Colors
The 2027 Ram Heavy Duty models equipped with the 6.4 litre HEMI® V8 will proudly display a new 'Symbol of Protest V8' badge on the front fenders. A Satin Black version of this badge will be featured on Tradesman, Black Express, Warlock, Rebel, and Power Wagon models, as well as on trucks equipped with the Night Edition Package. This new badge serves to emphasize Ram’s continued commitment to V8 power, particularly at a time when many other manufacturers are transitioning towards smaller engine displacements. Additionally, two new exterior colors, Serrano Green Metallic and Tank Clear Coat, will join the Heavy Duty range with late availability, offering fresh aesthetic choices for discerning buyers.

What These Updates Mean for the 2027 Ram Heavy Duty Lineup
The most pivotal change for the 2027 Ram Heavy Duty lineup is undeniably the introduction of Cummins® diesel power to the Ram 2500 Power Wagon. This innovation brings substantially more torque, significantly stronger towing capability, and a greater driving range to Ram’s most off-road-focused Heavy Duty pickup, fundamentally transforming its utility. Beyond this, the Ram 2500 Payload Upgrade Package substantially increases capacity for selected HEMI® powered trucks, while certain Ram 3500 models benefit from a higher gross vehicle weight rating, offering greater flexibility for heavy loads. The new Emergency Response Vehicle expands the Ram Heavy Duty range into critical government and first responder fleets, showcasing Ram's adaptability. Finally, greater standalone option availability empowers customers to build trucks that precisely match their individual requirements. Collectively, these comprehensive changes render the 2027 Ram 2500 and 3500 models more capable, more versatile, and easier to configure for a wide spectrum of work, recreation, and specialized professional fleet uses.
Explore the 2027 Ram Heavy Duty Range at Automax®
For buyers in the UAE and GCC region, the 2027 Ram Heavy Duty updates will be particularly relevant. These powerful pickups are engineered to excel in demanding conditions, offering unparalleled capability for towing, carrying heavy loads, and confidently venturing beyond paved roads. Automax® stands as a trusted leading dealership, providing a wide selection of brand new Ram trucks. Customers can expect competitive prices, comprehensive warranty coverage, dedicated after-sales support, and convenient export availability. We invite you to explore the latest Ram trucks available at Automax® or contact the Automax® team directly for detailed information regarding specifications and future regional availability. Please note that final equipment, payload, towing ratings, and availability may vary by market and individual vehicle configuration.