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The Hard Core ProRock 60/60 Axle Set™ is ideal for Jeep Wrangler JK owners who need reliable drivetrain durability after upgrading to large tires, up to 40 inches in diameter. If you're considering a pair of Ultimate Dana 60 axles (also called UD60), you owe it to yourself to look closely at our Hard Core 60/60 Axle Set™! For only $13,190.00 shipped, you can’t buy a lower priced, stronger, better quality, more dependable, U.S.-made bolt-in JK axle solution than the Dynatrac Hard Core Axle-Set™. Build time is 5-6 weeks on these prior to ship date.

What You Get:

ProRock 60® Front Axle



Dynatrac-exclusive patented nodular-iron, high-pinion ProRock 60® centersection.

Best-in-class ground clearance and more ground clearance than a factory Dana 44.

3.12 x .50-inch-thick wall tubing that is over 3 times stronger than any stock JK Dana 44 housing.

Dynatrac U.S.-made forged, double heat-treated 1480 35-spline, 1-ton axleshaft assemblies. Comes with our latest inner and outer 4340 shafts with new 1480 U-joints installed.

Dynatrac HD BallJoints™ already installed; the last balljoints you’ll ever need.

Dynatrac exclusive Pro 60™ HD wheel ends with our exclusive Stub Hub™, with fixed-spindle and serviceable wheel bearings. A major improvement over the factory unitized wheel bearings assemblies.

Includes Dynatrac high capacity 13.25-inch brake upgrade with new dual-piston front calipers and vented rotors.

Includes our latest integrated track bar and ram-assist steering mounting package. Dynatrac now offers the best high-strength steering linkage and integrated ram-assist package in the industry.

Includes new Dynatrac HD tie rod, 4140 heat-treated steering arm, new Dynatrac DHD™ drag-link sleeve, control arm bushings and CNC laser-cut HD suspension brackets, all professionally welded and installed.

ProRock housing geometry set up for superior handling with optimal pinion and driveshaft angle for lifted JKs.

Rock-proof nodular-iron Dynatrac diff cover included.

Includes Warn premium locking hubs.

Axle includes your choice of available selectable lockers and 4.88, 5.13 or 5.38 gear sets.


Pro 60™ Full-Float Rear Axle


Dynatrac Pro 60™ nodular-iron, standard-cut, high-rigidity housing promotes ring-and-pinion gear durability for bigger JK builds.

3.5 x .50-inch-thick wall tubing that is 3.5 times stronger than any stock JK Dana 44 rear housing.

Dynatrac full-floating wheel ends with 1-ton heat-treated fixed spindles, 1-ton wheel bearings and Dynatrac-exclusive 10-bolt flanged floater wheel hubs.

Equipped with Dynatrac U.S.-made forged, heat-treated, 35-spline, full-floating 4140 alloy-steel shafts.

Includes Dynatrac 14-inch brake upgrade with single-piston calipers.

Includes Dynatrac HD mechanical parking brake with adapters for stock JK parking-brake cable attachment.

Rock-proof nodular-iron Dynatrac diff cover included.

All HD suspension brackets are CNC laser-cut and professionally welded and installed, including a multiple-position track-bar bracket for long-travel suspension tuning.

Axle includes your choice of available selectable lockers and 4.88, 5.13 or 5.38 gear sets.


Both front and rear axles are 68.5 inches wide and have 8 on 6.5 wheel bolt pattern.


Part Numbers for Reference:

Hard Core 60/60 Axle Set - ARB Air Locker, 5.38 JKHC-3X3002-C

Hard Core 60/60 Axle Set - ARB Air Locker, 5.13 JKHC-3X3002-B

Hard Core 60/60 Axle Set - ARB Air Locker, 4.88 JKHC-3X3002-A

Hard Core 60/60 Axle Set - Eaton ELocker4, 5.38 JKHC-3X3002-I

Hard Core 60/60 Axle Set - Eaton ELocker4, 5.13 JKHC-3X3002-H

Hard Core 60/60 Axle Set - Eaton ELocker4, 4.88 JKHC-3X3002-G