Subscribe to the Free
Newsletter

Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install

Free Wheeling: Better MPG and Less Wear with Dynatrac

Maxwell Matthewson
Sep 26, 2014
When a new vehicle is designed, some of the key thought processes are simplicity in building and parts longevity. Take the Ford Super Duty front end for example. The factory uses unit bearings to attach the hubs to the axles. That’s because they are easy to install and, under normal conditions, they work just fine. However, add larger wheels and tires to the equation, and these bearings are prone to failure. It is because the bearings themselves are narrow and the bearings cannot be serviced or greased. Another problem with unit bearings is that the front axles, front differential, and front driveshaft are all spinning whether the truck is in four-wheel drive or not. That is a lot of parasitic drag taking away from the engine output and causing needless wear on very expensive parts.
Luckily for Ford Super Duty owners, the axle gurus at Dynatrac developed a Free Spin kit that switches out the front hubs along with the unit bearings. The kit (PN: FO60-3X1104-C, $1,989.00) converts the hubs to a fixed-spindle design and free-spin hubs. It comes with wheel hubs, spindles, outer axleshafts, bearings and races, and manual locking hubs, along with all the required hardware. To test out this system, we ordered a kit for an 2011 Ford F-250 that was driving around on a 10-inch Kelderman lift and 40-inch Toyo Open Country M/Ts. Since the front end would be torn apart, we decided to order Dynatrac’s rebuildable upper and lower ball joints (DA60-2X3050-A, $659.00) as well. This setup will hopefully find a few more mpg and extend the service life of the factory axle parts.
Photo 2/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 02
1. To make sure we had everything we needed, we laid the parts out on the workbench.
Photo 3/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 03
2. With all the parts accounted for, we began tearing apart the front end. This involved unbolting the tie-rod end and removing the brake caliper and rotor.
Photo 4/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 04
3. Next, the factory locking hub was removed from the vehicle and tossed in the scrap pile.
Photo 5/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 05
4. Removing four nuts from the back of the hub allows it to be removed from the vehicle.
Photo 6/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 06
5. The hub was then pulled out and also tossed in the scrap heap, as it will be replaced with new Dynatrac parts.
Photo 7/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 07
6. After the C-clip that holds the axleshaft in place was removed, the axle slid free of the front end.
Photo 8/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 08
7. To finish the disassembly, the ball joint nuts were removed and the steering knuckle was dropped from the vehicle. This is the only major component that is reused.
Photo 9/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 09
8. Removing the ball joints is as easy as knocking them out with a hammer and rod.
Photo 10/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 10
9. Side by side, the difference is dramatic between the factory ball joint and the Dynatrac replacement. The cool thing about the Dynatrac units is they are rebuildable. So rather than spending $300 or more for new ball joints, you can rebuild these again and again.
Photo 11/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 11
10. The new ball joints were pressed into the knuckle with an impact and C-clamp. It may look like the knuckle is new, but we just sprayed it with a fresh coat of flat black spray paint.
Photo 12/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 12
11. We followed the directions to assemble the new hub and spindle unit. It is immediately obvious that the Dynatrac parts are much better designed and use better materials than the factory parts. These will last for a long time to come.
Photo 13/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 13
12. Proper grease packing is required for new bearings. We made sure all the bearings were packed with new grease before slipping them into the hub.
Photo 14/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 14
13. To keep all that grease inside the hub, we tapped the new bearing seals into place.
Photo 15/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 15
14. After setting the hub on the spindle, a set of lock nuts was spun down onto the spindle, holding everything in place.
Photo 16/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 16
15. With all the components torqued to spec, we slid the axleshafts (with the new Dynatrac outer shafts) into the axle housing and installed the new hub and spindle assembly on the knuckle.
Photo 17/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 17
16. Again carefully following the directions, we put all the pieces of the new locking hubs together. There are a lot of small parts and springs in the locking hubs, so it is recommended that you let an authorized shop do the work.
Photo 18/18   |   Ford Super Duty Dynatrac Dana 60 Free Spin Kit Install 18
17. To finish the install, we tightened down the end cap and buttoned up the front end. After a testdrive, we immediately saw a difference in the feel of the truck. We are confident these parts will ensure a long life and better fuel economy out of this Super Duty.

Sources

Dynatrac
Huntington Beach, CA 92647
714-596-4461
www.dynatrac.com
Custom Truck Shop
San Dimas, CA 91773
909-599-2228
www.customtruckshop.com

POPULAR TRUCKS

Subscribe Today and Save up to 83%!

Subscribe Truck Trend Magazine

Subscribe to:

Truck Trend
Magazine

PRINT DIGITAL
Subscribe Diesel Power Magazine

Subscribe to:

Diesel Power
Magazine

PRINT DIGITAL
Subscribe Truckin Magazine

Subscribe to:

Truckin
Magazine

PRINT DIGITAL
SUBSCRIBE TO A MAGAZINE
CLOSE X
BUYER'S GUIDE
SEE THE ALL NEW
NEWS, REVIEWS & SPECS