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Best Jeep Axles

Written By: XT Staff

Table of Contents
  1. The Axle’s Role in Off-Roading Jeeps
  2. Spline Counts and Upgrade Considerations

2015 Wrangler with Yukon Gear Axles

The Axle’s Role in Off-Roading Jeeps

Outside of lift kits and tires, Jeep axles are one of the most discussed aspects of a rig. With so many options on stock Jeeps alone, axles can sound complicated quickly. In truth, no matter which Dana you have under your Wrangler, they all serve the same purpose. Axles take the converted energy from the engine to turn your tires. They need to withstand the torsional forces involved with rotating a mass of rubber and steel over obstacles. The go-to axles are the Dana 44s and for good reason. Jeeps equipped stock with Dana 35s are going to want to look at upgraded axles before increasing their tire size. They’re well known for snapping axle shafts at 33-inch tires or larger.

Spline Counts and Upgrade Considerations

The hallmark of aftermarket axle shafts is their strength. Made of substantially stronger metals than stock shafts, they can be anywhere from 35 to 50 percent stronger. Needless to say, this means your rig will be able to better handle beefier tires and wheels. With the added weight, comes added strain. The best Jeep axle shafts can make even the punier Dana 35 handle 35-inch tires. Be sure to check the manufacturer’s specs before settling for a subpar axle. Aside from the natural strength in the steel, the splines are subjected to some battering as well. Generally, the more splines the better, but that might make them incompatible with the differential. However, if you’re upgrading the entire drivetrain of your Jeep, higher spline counts spread the pressure out better, reducing strain on the teeth.