Most Ram 2500 trucks use Load Range E tires, while the Power Wagon usually runs Load Range D; your door placard settles it.
When people type “What Load Range Tire For Ram 2500?” they’re usually hoping for one letter and done. That would be nice. But Ram 2500 trucks leave the factory with more than one tire setup, and the right answer hangs on trim, wheel size, and the placard on your truck.
Here’s the clean version: most stock Ram 2500 models on 17-, 18-, or 20-inch wheels run Load Range E tires. The Power Wagon is the outlier, with a factory Load Range D all-terrain tire. That means a generic “all 2500s need E” answer is close, but not clean enough if you’re buying tires today.
That’s why the driver-door label matters more than forum chatter. It tells you the tire size built for your truck, the cold pressure Ram wants, and the weight limits your tires have to live with. Start there, then shop.
What Load Range Tire For Ram 2500? Start With The Placard
The first stop is the sticker on the driver’s door or B-pillar. Ram spells out in the Tire Loading And Tire Pressure section that this placard lists your tire size and the cold inflation pressure for the front, rear, and spare.
If your truck came with LT275/70R18E, that “E” is not decoration. It’s part of the load target Ram chose for that setup. If it came with LT285/70R17D on a Power Wagon, that D rating is just as deliberate. The size, load range, load index, and pressure work together.
- Tire size built for the truck
- Cold pressure for front and rear tires
- Spare tire pressure
- Occupant and cargo limit tied to that setup
That last point gets missed a lot. A Ram 2500 is a heavy-duty pickup, but the tire still has to match the wheel, axle load, and trim it was paired with at the factory.
What The Letters Mean On A Ram 2500 Tire
Load range is the letter on the sidewall: C, D, E, F, or higher. On Ram 2500 trucks, the usual debate is D vs E. The letter tells you how much weight the tire is built to carry at a stated pressure. It is not just old “ply” slang in a new wrapper.
Michelin’s Understanding Tire Load Rating and Speed Rating page lays out the other part many owners miss: load range and load index are tied to safe carrying ability, and replacement tires should meet the vehicle maker’s target.
Load Range Is Not The Same As Payload
A tougher tire does not give your Ram 2500 a new axle rating or a bigger GVWR. The truck’s limits stay where Ram set them. What the tire change can do is give you the right carrying margin for the setup you already have, or take that margin away if you buy too little tire.
Why Owners Get Mixed Up
Owners swap wheels, add campers, tow heavy, or chase a softer ride. Then the old “10-ply” talk starts. That muddies the water. The cleaner move is this: match the placard, meet or beat the listed load target, and don’t drop below the factory standard for your exact truck.
Ram 2500 Tire Setups Seen On Stock Trucks
On recent stock Ram 2500 models, one pattern shows up again and again: non-Power Wagon trucks usually point to Load Range E, while the Power Wagon points to D. This table keeps the patterns straight.
| Setup | Factory-Type Tire Pattern | What That Usually Means |
|---|---|---|
| Base 17-inch SRW truck | LT245/70R17E all-season | Load Range E is the stock target |
| 18-inch stock wheel setup | LT275/70R18E all-season | Stay with E unless the placard says otherwise |
| 18-inch off-road or Snow Chief setup | LT275/70R18E on/off-road | E still fits the factory load call |
| 20-inch stock wheel setup | LT285/60R20E on/off-road | E is the normal answer here |
| Rebel 20-inch all-terrain setup | LT285/60R20E all-terrain | Match size and E-level carrying ability |
| Power Wagon | LT285/70R17D all-terrain | Load Range D is factory-correct |
| Heavy towing on stock wheels | Placard size and pressure rule | Do not drop below factory load target |
| Aftermarket wheel and tire swap | Size may change, load need does not | New tire must still meet truck’s load need |
The big takeaway is simple: “Ram 2500” by itself is not enough. The wheel and trim matter. That’s why two owners can both drive a 2500 and still need a different letter on the sidewall.
When Load Range E Fits Best
Load Range E is the usual pick for Ram 2500 owners with stock 17-, 18-, or 20-inch non-Power Wagon setups. It fits the truck’s heavy-duty job list better: towing, payload, diesel front-end weight, hitch weight, bed cargo, and long interstate runs with a trailer behind you.
It’s the safer default on most stock 2500 trims because that’s where Ram starts from. If your truck came with E, staying with E keeps the ride, steering feel, and carrying margin closer to what the chassis was tuned around.
When Load Range D Still Makes Sense
The Power Wagon is the clean case. Ram paired it with a D-range tire for a reason. That truck leans harder into off-road travel, wheel movement, and rough-surface grip. A stiffer E-range tire on a Power Wagon can change how it rides and how it puts power down on loose ground.
That does not mean any Ram 2500 owner should drop from E to D for a softer feel. If your placard calls for E, a lower-capacity tire is the wrong shortcut.
| Your Use | Usual Better Fit | Why |
|---|---|---|
| Stock non-Power Wagon daily use | Load Range E | Matches the factory pattern on most trims |
| Frequent towing or bed weight | Load Range E | Keeps the carrying margin Ram planned for |
| Power Wagon on stock wheels | Load Range D | Matches the factory off-road setup |
| Aftermarket 35-inch tire build | Case by case | Size changes, but load target still must be met |
| Winter tire swap | Same load target or higher | Snow tread does not cancel load needs |
Mistakes That Cost Ride, Grip, Or Margin
A few buying mistakes show up over and over with Ram 2500 tires:
- Buying by truck class alone and skipping the placard
- Jumping to Load Range F just because it sounds tougher
- Dropping load capacity when moving to a bigger wheel
- Reading tread style as load ability
- Using sidewall max pressure as your daily setting without checking Ram’s cold placard pressure
The F-range mistake is common. Some owners think “more tire” must be better. On a stock 2500, that can leave the truck harsher when empty and still won’t raise the truck’s own weight ratings. Buy the tire that fits the job, not the letter that sounds toughest.
A Better Way To Buy Your Next Set
If you want to get this right in one shot, use a short checklist before you order:
- Read the placard on the truck, not a chart made for all 2500s.
- Match the stock tire size unless you’ve already built the truck around a new wheel and tire package.
- Meet or beat the factory load target and load index.
- Match the speed rating the truck calls for.
- Pick tread for how you drive: highway, towing, mixed dirt, snow, or mud.
- Set cold pressure to the placard after install unless your tire pro gives a truck-specific load table that fits your setup.
One Last Buying Check
Read the full sidewall, not just the brand and size. Two tires can share the same size and still carry different weight. That’s how owners end up with a tire that fits the wheel but misses the truck.
The Right Letter For Most Ram 2500s
For most stock Ram 2500 trucks, Load Range E is the right answer. For the Power Wagon, Load Range D is often the right answer. For your own truck, the final call comes from the placard on the door and a replacement tire that meets that load target. That keeps the choice clean, keeps the truck working as it should, and keeps guesswork out of an expensive buy.
References & Sources
- Mopar.“Tire Loading And Tire Pressure.”Shows where the placard sits and what tire size and cold-pressure data it lists for the truck.
- Michelin.“Understanding Tire Load Rating and Speed Rating.”Explains load rating, load index, and why a higher-rated tire does not raise the truck’s own weight limits.