TeraFlex 4181430 TeraCRD60 HD Rear Axle Assembly Semi-Float 4.30 R&P ARB Locker 70 Inch 0-6 Inch Lift

The TeraFlex TeraCRD60 HD Rear Axle Assembly (MPN: 4181430) is a heavy-duty, semi-float rear axle solution engineered for 2020-and-up Jeep Gladiator JT models, including Rubicon editions. Designed as both a direct bolt-on replacement for bent, broken, or damaged stock axles and a serious performance upgrade, this assembly delivers the strength and reliability demanded by hardcore off-road enthusiasts.

At the heart of this build is TeraFlex's exclusive Constant Radius Design (CRD), which maintains maximum ground clearance regardless of pinion angle adjustments—a critical advantage when running a lifted suspension. The assembly is pre-configured with 4.30 Spicer Super 60 ring & pinion gears and an ARB Air Locker, and spans a 70-inch wheel-mount-to-wheel-mount (WMS-WMS) width to suit 0–6 inch lift applications.

What's Included:

• Semi-float rear axle shafts
• Spicer Super 60 bearings
• 4.30 Spicer Super 60 ring & pinion gearset
• ARB Air Locker
• Sensors
• All necessary mount brackets and control arm bushings

Key Features:

• Constant Radius Design (CRD): Delivers consistent, high ground clearance unaffected by pinion angle changes
• Super 60 Compatible: Supports all Super 60 gear ratios for extreme-duty ring & pinion strength
• Heavy-Duty Housing: Smooth-profile axle housing with 3.25-inch O.D. x 0.375-inch wall axle tubes and reinforced bearing caps
• 40-Spline Axle Shafts: Substantial spline count for maximum torque transfer and durability under extreme loads
• Direct Bolt-On Fitment: Engineered specifically for JT Gladiator platforms including Rubicon models
• ARB Air Locker Integrated: Selectable locking differential for on-demand traction in challenging terrain

Specifications:

• Lift Range: 0–6 Inch
• WMS-WMS Width: 70 Inch
• Axle Tube: 3.25 Inch O.D. x 0.375 Inch Wall
• Axle Splines: 40
• Ring & Pinion Ratio: 4.30
• Locker: ARB Air Locker
• Float Type: Semi-Float

Whether replacing damaged factory hardware or upgrading to withstand the rigors of aggressive trail use, the TeraFlex TeraCRD60 HD Rear Axle Assembly provides a complete, ready-to-install solution built to outlast the terrain.