2024 Ram 2500 Diesel Specs 2026 Quick Reference
Quick Answer
The 2024-2026 Ram 2500 diesel features the 6.7L Cummins Turbo Diesel I6, producing 370 hp and 850 lb-ft of torque. Towing capacities typically range from 14,000 to 19,990 lbs depending on configuration, axle ratio, and cab style. Always verify exact ratings using your vehicle’s specific payload door sticker and GCWR, as these values fluctuate significantly based on individual build options and equipment packages.
The 2024 Ram 2500, powered by the legendary 6.7L Cummins Turbo Diesel, remains a cornerstone of heavy-duty capability. Buyers often struggle to decipher how configuration, trim, and axle ratios translate into real-world towing and payload numbers. This guide breaks down every critical specification and maintenance reality to ensure you maximize the life and utility of your Ram 2500.
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General 2024 Ram 2500 Diesel Specification Chart
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| Engine | Horsepower | Torque | Transmission |
|---|---|---|---|
| 6.7L Cummins I6 | 370 hp @ 2800 rpm | 850 lb-ft @ 1700 rpm | 68RFE 6-Speed Auto |
2024 Ram 2500 Diesel Specs: Comprehensive Capability Chart
Last reviewed: August 2026. Data applies to 2024 model year vehicles with the 6.7L Cummins engine. Payload and towing figures are maximums; specific vehicle configurations (Trim, Cab, Bed, Axle Ratio) significantly change these values. Always verify via the door sticker and official trailering guide.
Data Scope and Verification Methods
The 6.7L Cummins I6 is a heavy-duty workhorse. Because it utilizes a heavy iron block, it carries a weight penalty that reduces the available payload capacity compared to gas models. Verification is simple: locate the “Tire and Loading Information” sticker inside your driver’s side door jamb for the specific payload capacity of your truck. For towing, the Gross Combined Weight Rating (GCWR) listed in the manufacturer’s towing guide, paired with your axle ratio, dictates your true capability.
Interpreting Towing and Payload Capacities
Towing performance in the 2024 Ram 2500 relies on the 68RFE 6-speed transmission and the massive torque output at low RPMs. While the engine is rated for 850 lb-ft of torque, the transmission’s cooling system and internal components are the limiting factors for extreme duty. Owners should note that higher trim levels (Limited, Longhorn) come with more luxury features, which increases curb weight and decreases the available payload on the suspension.
Understanding 2024 Ram 2500 Diesel Powertrain Performance
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Turbocharger Function and Boost Management
The 6.7L Cummins utilizes a Variable Geometry Turbocharger (VGT). Unlike traditional fixed-geometry turbos, the VGT adjusts the vanes to control exhaust flow. This creates high boost pressure at low engine speeds, effectively eliminating turbo lag—a crucial feature for towing trailers from a standstill or climbing steep grades.
Transmission Dynamics for Towing Efficiency
The 68RFE transmission is engineered specifically for the output profile of the Cummins. It employs sophisticated torque converter lock-up strategies to keep engine RPMs in the “sweet spot” for peak torque, which sits at 1700 rpm. Owners must be aware that the front-end weight of the Cummins engine places significant load on the front suspension, leading to faster wear on bushings and shocks compared to the lighter 6.4L HEMI gasoline configuration.
Diesel Emissions and Exhaust System Details
Modern diesel emissions systems are sophisticated and require specific operation habits. Key maintenance areas include:
- Selective Catalytic Reduction (SCR): This system injects Diesel Exhaust Fluid (DEF) into the exhaust stream to break down NOx emissions.
- Diesel Particulate Filter (DPF): The DPF catches soot. It requires a “regeneration” cycle to burn off stored soot, which happens automatically at highway speeds.
- Short-Trip Warning: Avoid short-cycle, city-only driving. If the engine never reaches operating temperature, the DPF cannot regenerate, which can lead to a “Service Exhaust System” warning.
- DEF Replenishment: Monitor the DEF tank level; if the fluid is empty, the engine will enter a speed-limited “limp mode” as mandated by federal regulations.
Maintenance Protocols for 2024 Ram 2500 Diesel Specs
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The Cummins engine requires a significantly higher oil volume (typically 12 quarts) than gas engines. Ensure the oil meets the specific API CK-4 or CJ-4 standards.
Dual fuel filters protect the high-pressure fuel injectors. Failure to change these per the schedule in your owner’s manual can lead to catastrophic fuel system failure.
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Listen Free for 30 Days2024 Ram 2500 Diesel Specs and Market Positioning
While the Ram 2500 shares the engine with the Ram 3500, the chassis differences are profound. The 2500 utilizes a solid front axle with coil springs for improved ride comfort, whereas the 3500 is focused on maximizing GVWR. Compared to Ford Super Duty or Chevrolet Silverado HD, the Ram 2500’s solid front axle architecture remains a preferred choice for owners prioritizing durability and simple aftermarket suspension upgrades for work-truck applications.
Never assume your truck’s towing capacity based on an advertisement or a similar truck. Your truck’s specific options—including axle ratio, trailer tow package, and cab configuration—dictate your true numbers. Check the door sticker and the official manufacturer towing guide using your VIN.
The 6.7L Cummins is a low-RPM torque monster designed for sustained heavy work. Emissions maintenance, specifically DPF regeneration and DEF usage, is non-negotiable for longevity. Always verify your vehicle’s unique door sticker for payload; don’t rely on generic marketing sheets. Check your owner’s manual for your specific VIN-derived service intervals and stay ahead of your maintenance schedule to ensure your truck remains a reliable asset for years to come.
2024 Ram 2500 Diesel Specs: Frequently Asked Questions
What is the towing capacity of the 6.7L Cummins in the 2024 Ram 2500?
The maximum towing capacity for a properly equipped 2024 Ram 2500 with the 6.7L Cummins engine reaches up to 19,990 lbs. However, this is a maximum theoretical limit. Your truck’s specific towing capacity depends on your rear axle ratio, cab style, and whether you are using a conventional or gooseneck setup. Always check your GCWR and individual tow package ratings to ensure compliance.
Is the Cummins engine reliable for daily driving?
The 6.7L Cummins is renowned for its durability and high-mileage capability. While it is built for heavy work, it serves well as a daily driver provided you account for longer engine warm-up times and ensure the engine reaches operating temperature to avoid DPF saturation. Regular maintenance, including fuel filter changes and diesel exhaust fluid (DEF) refills, is essential for long-term daily performance.
Does the 2024 model have a particulate filter?
Yes, all 2024 Ram 2500 diesel models are equipped with a Diesel Particulate Filter (DPF) as part of the vehicle’s exhaust aftertreatment system. This system captures soot and regenerates periodically to maintain clean emissions. Owners should be aware of this system during short-trip driving, as the truck may need to complete an active regeneration cycle to prevent filter clogging and maintain optimal engine efficiency.
How does payload differ between Ram 2500 trims?
Payload is calculated by subtracting the curb weight of the vehicle from its Gross Vehicle Weight Rating (GVWR). Because higher-trim levels like the Limited or Power Wagon include heavy luxury features, sunroofs, and off-road equipment, their curb weight is significantly higher than a base-model Tradesman. Consequently, higher-trimmed trucks generally have lower cargo payload capacities than base models with the same engine.
Where can I find my vehicle’s official payload rating?
The most accurate source for your specific vehicle is the Tire and Loading Information placard located on the driver-side door jamb. This sticker is stamped specifically for your truck as it left the factory with its unique equipment and accessories. Avoid relying on general brochure specifications or internet forums, as those numbers represent base models that do not account for the options installed on your specific truck.
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