4WD.ai

2019–present · Fifth generation (DJ) Heavy Duty

Can You Fit 37-Inch Tires on a Ram 2500?

37s are viable on a Ram 2500, but the dependable path is a coordinated suspension and wheel package. Some trucks can street-fit a 37 with modest lift, while full articulation exposes liner and radius-arm conflicts.

By 4wd.ai · Published · Model years checked against the maker’s documents on

Configuration-dependent

Guide scope

2019–present fifth-generation Ram 2500, the generation our data covers; Power Wagon differences apply.

At a glance

Fitment by configuration

These are planning categories—not installation guarantees. The exact wheel and measured tire dimensions can move a build between outcomes.

Stock, standard trim

Not recommended

All-condition clearance is unlikely.

Stock Power Wagon

Conditional fit

Street fit may be reported; verify articulation.

2 in. level

Conditional fit

Wheel and minor clearance work are commonly required.

3–5 in. suspension

Good fit target

More robust target with compatible wheel geometry.

Likely contact points

  • Radius arm
  • Rear inner liner
  • Pinch seam
  • Compression clearance with payload

Before you order

  • Choose tire before wheel offset
  • Test full lock in both directions
  • Review effective gearing
  • Verify spare-tire strategy

Evidence

Sources reviewed

We label source types so a manufacturer specification is not presented as equivalent to an observed owner build.

Maker

Ram 2500 owner information

Owner build, forum post

Ram 2500 observed lift and tire discussion

How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

Compare the size change

Calculate diameter, ground-clearance and speedometer differences.

Open calculator