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Dynatrac™ introduces the next step in its revolutionary, patented ProRock® series of off-road axles with the all-new ProRock XD60®.
The Dynatrac engineering team went back to the drawing board to find ways to increase the strength and durability beyond the patented ProRock 60® which is already the industry standard for upgrades beyond the Dana 60.
Advantages of the all-new Dynatrac ProRock XD60® axle housing include:
The axle was designed to hold a larger differential and 10.1-inch ring gear, providing a 16 percent strength increase over 9.75-inch Dana 60 gears.
The patented design provides the best ground clearance in the industry.
The new Dynatrac ProRock XD60® starts with a center section cast from high-strength nodular iron.
Using CAD/FEA and advanced engineering tools, Dynatrac designed the new center section for increased rigidity, increasing the stability of critical tolerances during high stress for better durability.
It is also available with larger carrier and pinion bearings for even more strength.
The internal Dynatrac Dual Sump High Volume (DSHV) lubrication system provides optimal oiling.
All of these improvements were achieved while also making the center section 15 percent lighter.
The ProRock XD60® also has optimal cast-in features for air locker and electric locker connections.
In addition to these engineering advancements in the center section and wheel ends, the Dynatrac XD60® also features an all-new differential cover designed to withstand brutal beatings in demanding off-road and racing conditions. The lower bolt heads are deeply embedded in the cover for skid protection, and the fasteners are the largest in the industry: 7/16 inch compared to conventional 3/8 inch. The rock ribs have been placed for optimal protection.
The Dynatrac ProRock XD60® is designed for 3 3/4-inch outside-diameter axle tubes with either 1/4-inch or 5/16-inch wall thickness. The 1/4-inch-thick axle tubes are 22 percent stronger than a 3 1/8-inch-diameter tube with 5/16-inch wall thickness, and they weigh the same. The 5/16-inch-thick tubes are 12 percent stronger and 18 percent lighter than 3 1/8-inch-diameter tubes with 1/2-inch wall thickness.
Featuring the Dynatrac-exclusive 1550LT® Wheel Ends
Our new 1550 LT® wheel ends are made from high-strength, lightweight, military-grade aluminum.
Forged 4140, heat-treated, fixed spindles and serviceable wheel bearings support tires up to 44 inches.
No other 4x4 front axle offers the ease of steering, low scrub radius, effective Ackermann angle and high steering linkage positioning.
Dynatrac-exclusive U.S.-made forged, double-heat-treated 1550 35-spline axleshaft assemblies. These are the best shafts in the industry and are capable of up to 50-degree turning angles.
Wayalife produced this video that shows the massive new Dynatrac 1550LT® wheel end.
This Wayalife video explains Ackerman and scrub radius, and how the Dynatrac 1550LT® wheel end minimizes scrub radius for best-in-class steering on-road and off!
The Dynatrac ProRock XD60® accepts a full range of differentials, including air lockers, electric lockers and limited slips. Gear ratios are available from 3.54:1 to 5.38:1.
The all-new ProRock XD60® axle is now available in both front and rear applications for the 2007 to current Jeep Wrangler (JK). You can get a price estimate on a Dynatrac ProRock XD60 for your Jeep JK by filling out this online form (click here) or calling us at 714-421-4314.