BONHAM CHRYSLER • VEHICLE RESEARCH
A heavy-duty truck needs to match the load before it matches the wish list. The 2026 RAM 2500 gives buyers a choice of HEMI gasoline or Cummins diesel power, but engine output is only one part of selecting a truck for work, horses, a camper or a family trailer.
RAM advertises up to 20,000 pounds of diesel towing and up to 3,930 pounds of gas payload for the 2026 RAM 2500. These are configuration-specific maximums. Use the truck’s own labels and applicable towing chart to evaluate a real purchase.
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Key facts at a glance
| Engine | Output | Maximum towing | Maximum payload |
|---|---|---|---|
| 6.4L HEMI V8 gasoline | 405 hp / 429 lb-ft | 17,750 lb | 3,930 lb |
| High-output 6.7L Cummins turbo diesel | 430 hp / 1,075 lb-ft | 20,000 lb | 3,600 lb |
Why the bigger tow rating is not the whole answer
A trailer puts two different demands on the truck: pulling the loaded trailer and carrying the load transferred through the hitch. The people and equipment already in the truck matter too. A diesel badge alone cannot tell you whether the combination fits.
If two trucks both meet the trailer rating, compare the remaining carrying capacity after the expected occupants, cargo and hitch equipment are accounted for. Then examine the truck and trailer axle limits, hitch ratings and the applicable combined-weight limit. Every relevant limit must be satisfied.
Choose gas or diesel around your use
For buyers doing frequent towing, the Cummins is worth evaluating alongside the HEMI. Ask how often the truck will pull the trailer, how far it travels and what the loaded combination weighs. Compare the purchase quotes and maintenance requirements rather than assuming diesel is automatically cheaper to own.
The HEMI deserves a look when carrying tools or equipment is central to the job. RAM’s published gas payload maximum exceeds its published diesel payload maximum in this lineup. That observation is not a substitute for comparing two actual trucks: options and configurations still determine the result.
Use Bonham’s RAM gas-versus-diesel comparison for the broader ownership discussion. This guide focuses on selecting the 2500 around the load rather than repeating the trim comparison.
The information to collect before shopping
Photograph the trailer’s rating label and write down its make, model and hitch type. If the trailer is already in use, obtain real loaded weights where practical. Include the cargo that is easy to forget: water, supplies, tack, tools or weekend equipment.
For each truck, ask for its VIN, window sticker, payload label, certification label and matching manufacturer towing information. Confirm cab, bed, engine, drivetrain and axle. Keep those documents with the quote so a similarly named replacement vehicle is not mistaken for the same configuration.
Fifth-wheel and gooseneck preparation
The available Fifth-Wheel/Gooseneck Prep Package provides integrated mounting hardware. A compatible hitch still needs to be selected, and its own rating and installation requirements matter. A prep package is not a blanket approval for every trailer.
Check clearance between the trailer and cab, bed rails and tailgate through the required turns. Ask the hitch and trailer manufacturers about compatibility with the selected bed and setup. Do not assume a short-bed installation works solely because the mounting points are present.
When to compare the RAM 3500
Move the discussion to a 3500 when the planned hitch load, occupants and carried equipment crowd the actual 2500’s limits. A higher trim does not resolve that problem. Nor does an aftermarket accessory by itself establish a new manufacturer weight rating.
For ranch use, build a loaded-day list instead of shopping from empty-trailer weight. The Nottingham Ranch connection makes livestock and equipment use relevant to Bonham’s buying guidance; the decision still rests on measured loads and the selected truck’s documents. No specific truck or trailer combination is endorsed by this example.
What to check on the truck at delivery
Compare the delivered VIN and equipment with the agreed build. Review hitch installation, trailer electrical connections and brake-controller operation with the applicable instructions. Ask for a demonstration of installed towing assistance features before relying on them.
Keep the documents used in the capacity discussion, plus the owner’s manual and hitch instructions. Plan maintenance around the actual use of the truck. Bonham’s diesel repair and RAM service pages provide the next step for service questions.
Frequently asked questions
Can every 2026 RAM 2500 tow 20,000 pounds?
No. That is an advertised maximum for properly equipped diesel configurations. The specific truck’s rating and the complete loaded combination control.
Does a Cummins truck always carry more than a gas truck?
No. Towing and payload are different measurements. Compare the actual payload labels; diesel power alone is not evidence of a higher carrying limit.
Is the fifth-wheel hitch included with the prep package?
Do not assume so. Confirm the installed package, hitch hardware and what is included in your purchase quote.
Does air suspension increase my certified ratings?
Do not treat leveling or suspension equipment as permission to exceed the vehicle’s ratings. Use the manufacturer’s limits for the actual vehicle.
Can Bonham help me compare a 2500 with a 3500?
Yes. Send your expected loaded trailer and carried-load information, along with the listings you are considering, for a configuration discussion.
Continue your research with Bonham
Compare RAM 2500 trims. Explore the RAM 2500 at Bonham. Compare RAM gas and diesel. Explore RAM 3500 alternatives. Plan Cummins service.
Turn the research into the right vehicle
Send Bonham the features and configuration you need. We can review current inventory, confirm the equipment on a selected vehicle and discuss a factory order when available.
View matching inventoryRequest a vehicle comparisonExplore factory ordering and door-to-door delivery. Bonham offers no-charge delivery within 300 miles; quotes are available beyond that distance. Confirm eligibility, timing and arrangements with your written quote.
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More RAM research from Bonham
Keep the work in the ownership plan
Once you have chosen a truck, our RAM maintenance and repair guide helps you prepare mileage, towing use, symptoms and service history for a visit. Service requirements come from the exact model-year manual and vehicle condition.