2026 RAM 3500: Engines, Configurations, and How to Spec One

The RAM 3500 is a Class 3 heavy-duty pickup built for the jobs a half-ton can’t take on — large fifth-wheels, gooseneck equipment trailers, and payload that would flatten a 1500.

Getting the configuration right matters more here than on any other truck we sell. Here’s how it breaks down.

The Engines

6.4L HEMI V8 (standard) — 405 horsepower and 429 lb-ft of torque. Lower purchase price, simpler maintenance, no emissions-system complexity. If your towing is heavy but not constant, this is often the smarter financial choice.

6.7L Cummins Turbo Diesel I-6 (available) — the reason most people buy a 3500. Massive low-end torque for launching a heavy trailer and holding grade, plus an exhaust brake that matters as much as the power on the way back down.

Worth knowing: the Cummins is offered in more than one output level. The higher-output version carries the top towing ratings in the lineup. That’s a decision worth making deliberately rather than assuming all Cummins trucks are the same — ask us which is in the truck you’re looking at.

The gas-versus-diesel math: diesel costs more up front and more per service interval, and pays it back through capability, fuel economy under load, and resale. If you tow near capacity most weeks, diesel wins. If you tow heavy a dozen times a year, the 6.4L HEMI usually pencils out better. We’ll run both scenarios with your actual usage.

Towing and Payload

The 3500 is built for the top of the light-truck towing range, including large fifth-wheel and gooseneck trailers.

Ratings vary substantially by engine, axle ratio, cab, bed, drivetrain, and rear-wheel configuration. The brochure maximum belongs to one specific build and isn’t what a given truck does.

Bring us three numbers — your trailer’s loaded weight, its pin or tongue weight, and the payload you’ll carry in the bed. We’ll check them against the door-jamb sticker on specific trucks and against RAM’s towing guide for that configuration. That conversation takes ten minutes and prevents the most expensive mistake in this segment.

Single Rear Wheel or Dual Rear Wheel?

This is the configuration question that trips people up.

Choose SRW if the truck does double duty as a daily driver and your trailer is within its ratings. Choose DRW if you’re pulling a large fifth-wheel or running at the top of the payload range — the added stability is not a marketing point, it’s the difference between a controlled tow and a nervous one.

Cab and Bed Configurations

Cab styles: Regular Cab, Crew Cab, and Mega Cab.

The Mega Cab is worth knowing about specifically — it offers substantially more rear-seat room than a Crew Cab, at the cost of bed length. If your crew rides with you daily, it’s the one to look at.

Multiple bed lengths are available. Match bed to what you haul; match cab to who rides.

Available rear air suspension helps level the truck under load and improves ride quality unloaded, which is worth having on a truck this size.

Exterior and Towing Hardware

• Trailer tow mirrors with available power-folding
• LED headlamps and taillamps
• Reinforced steel frame
• Integrated trailer hardware
• Multiple bed lengths

Interior

The 3500 spans work truck to genuinely luxurious, and the upper trims are more comfortable than most SUVs.

Available leather-trimmed seating, heated and ventilated front seats, and heated rear seats. On a ten-hour tow day, those aren’t luxuries.

A large center touchscreen running Uconnect with Apple CarPlay and Android Auto, plus a fully digital driver display that can show towing metrics, safety alerts, and performance data where you can actually see them.

Multiple storage compartments throughout for the paperwork, tools, and gear that accumulate in a work truck.

Technology That Helps When Towing

• Digital trailer information screens — trailer data in the instrument cluster rather than buried in a menu
• HD camera systems for hitching and for placing a long truck and trailer combination
• Navigation with Uconnect

Safety and Driver Assistance

• Forward Collision Warning with Active Braking
• Blind Spot Monitoring with Trailer Coverage — extends detection along the trailer’s length, which is the version that actually helps
• Adaptive Cruise Control
• Lane Departure Warning
• Surround-view camera system

Who Buys a 3500?

Construction contractors, agricultural operators, RV owners with large fifth-wheels, equipment haulers, commercial fleets, and horse trailer owners.

Around Rome and Northwest Georgia specifically, the combination of hilly terrain and interstate hauling is exactly where diesel torque and proper axle ratios earn their cost. Pulling a loaded gooseneck up a grade on 411 is a different job than flat-ground towing.

If you tow under about 15,000 pounds and don’t need heavy payload, look at the RAM 2500 — it may be all the truck you need. If your loads are lighter still, the RAM 1500 will do the job for less money and a much easier daily drive.

Frequently Asked Questions

What engines does the 2026 RAM 3500 offer? A standard 6.4L HEMI V8 producing 405 horsepower and 429 lb-ft of torque, and an available 6.7L Cummins Turbo Diesel inline-six. The Cummins is offered in more than one output level, with the higher-output version carrying the top towing ratings.

How much can the 2026 RAM 3500 tow? Ratings vary substantially by engine, axle ratio, cab, bed, drivetrain, and rear-wheel configuration. Check the door-jamb sticker on the specific truck and confirm against RAM’s towing guide before matching it to a trailer.

What’s the difference between SRW and DRW? Single rear wheel models are easier to park and better suited to mixed use. Dual rear wheel models add rear-axle stability and carry higher towing and payload ratings, at the cost of width and an extra pair of tires.

Should I get gas or diesel in a RAM 3500? It depends on how often you tow heavy. The Cummins diesel costs more up front and per service interval and pays it back through capability, fuel economy under load, and resale. If you tow near capacity most weeks, diesel makes sense. If you tow heavy occasionally, the 6.4L HEMI is usually the better financial choice.

What cab styles does the RAM 3500 offer? Regular Cab, Crew Cab, and Mega Cab. The Mega Cab offers significantly more rear-seat space than a Crew Cab, trading bed length for it.

Does the RAM 3500 offer air suspension? Rear air suspension is available, helping level the truck under load and improving unloaded ride quality.

Where can I see a RAM 3500 near Rome, GA? Greenway CDJR of Rome at 2500 New Calhoun Hwy NE in Rome, GA. Browse our RAM 3500 inventory or contact us at 706-622-3703.

Come Spec One With Us

Heavy-duty configurations vary more than any other truck, and not every combination sits on a lot. If you need a specific cab, bed, axle ratio, engine, and rear-wheel setup, tell us early and we’ll find or order it.

Browse our RAM 3500 inventory, the RAM 2500, chassis cab models, or the full RAM lineup.

Spec’ing a fleet or a vocational build? Our commercial department handles upfits, and you can browse commercial vehicles directly.

Check current offers and incentives, estimate a payment, value your trade, or apply for financing.

Our service department handles Cummins and HEMI service and warranty work, and you can schedule service online any time.