SKU: 78660914089

Dynatrac Free Spin Heavy-Duty Hub Conversion 1999-14 Ford Super Duty F-250/350 FO60-3X1104

Sale price$1189.80 Regular price$1322.00
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Dynatrac Free Spin Heavy-Duty Hub Conversion 1999-14 Ford Super Duty F-250/350 FO60-3X1104With Dynatrac's Free Spin kit you can easily change out the problematic unit bearings for durable, reliable, inexpensive and easy to maintain fixed spindle wheel bearings. To many of us, our trucks are an investment. We use them for everything from driving to work to using them as a work tool. To prevent inconvenient downtime that could hurt your ability to get to work, get the job done or take the family for a much needed vacation you'll want to

With Dynatrac's Free-Spin kit you can easily change out the problematic unit bearings for durable, reliable, inexpensive and easy to maintain fixed spindle wheel bearings. To many of us, our trucks are an investment. We use them for everything from driving to work to using them as a work tool. To prevent inconvenient downtime that could hurt your ability to get to work, get the job done or take the family for a much needed vacation you'll want to protect your investment. The Dynatrac Free-Spin kit it's great investment advice.

How do you use your truck? It might a recreational tow rig, an off-road explorer, an industrial workhorse, a daily driver or a combination of them all. No matter how you use your truck, the engineers at Dynatrac understand that the measure by which all parts are judged is strength and performance. From light duty to extreme use, your vehicle should be built for reliability and endurance under any conditions. All too often, the original equipment falls short. As an industry leader, Dynatrac has taken up the challenge of building the better truck.

  • Designed specifically to remove a weak link
    Dynatrac's Free-Spin Heavy Duty Hub Conversion Kit is designed replace the factory unit bearings with fixed spindles for superior strength, and smooth performance.
  • What's wrong with the unit bearings?
    Unitized bearing systems, also known as unit bearings, were designed to make vehicle assembly easier. When assembling a vehicle, the installer simply mounts the unit bearing up the steering knuckle with 4 bolts and the brakes are ready to install. This saves the OEM time and time IS money. Despite the added cost of the parts, the time saved can add up to additional profits for the manufacturer. But, as most have found, faster doesn't always equal better.
  • Unit bearings are prone to failure
    Due to a very narrow bearing design and plastic bearing cages, unit bearing systems are much less durable than a fixed spindle design wheel bearing system and cannot be serviced or regreased. This is especially important on a truck that has larger than stock tires. Worse yet, replacing a unit bearing is very expensive. Buying original equipment parts is incredibly expensive and many users end up buying more cost effective, but still very expensive, units bearings made overseas. These units are usually much poorer quality than the OE product and long term durability may be questionable.
    When a unit bearing fails, the vehicle is often immediately disabled and cannot be driven anywhere until the unit bearing has been completely replaced. That means towing, downtime, expensive dealer repairs and could cause a ruined vacation or lost revenue for a work truck.
  • Replaces problematic factory Ford automatic hubs
    The factory Ford vacuum disconnect hubs are a well known trouble spot on the Super Duties. They frequently fail leaving you without 4 wheel drive when you need it. They also frequently fail to unlock. This leads to additional wear and tear on your front end and drive shaft and a decrease in fuel mileage.
  • Commercial trucks need to get the job done 24/7
    The Free-Spin hub conversion eliminates a weak link that could easily leave you stranded. For commercial truck owners and fleet managers, who rely on their rigs 24/7 to get the job done, the Free-Spin hub conversion ensures that your trucks are on the road making you money.
WHY DYNATRAC?
  • Dynatrac was first to design, engineer and build a Ford hub conversion kit to replace the factory unit bearings. The Dynatrac Free-Spin kit and has been a consistent, solid, performer since 2005
  • We have been continually upgrading our line with new applications and features to assure you of the best possible parts
  • Dynatrac components are forged, machined and assembled in the U.S.A
  • Dynatrac offers an exclusive one year unlimited mileage written warranty
KIT CONTENTS:
  • 2 8 on 170mm Dynatrac wheel hubs (customer to re-use rotor)
  • 2 Dynatrac Heavy-duty spindle kits
  • 2 Dynatrac Heavy-duty induction-hardened alloy 35 spline 1.50" outer axle shafts
  • 1 Set- Warn Premium manual locking hubs (35 spline) (or optional Dynaloc Hubs)
  • 1 Kit- User serviceable wheel bearings, races and seals
  • 1 Pair-ABS tone rings and sensor mount
IMPORTANT NOTES:
  • 1999-2004 F-350 Dually Requires Separate Wheel Adapters from Arrowcraft-(248) 280-0210
  • If you're unsure whether you have the fine or coarse studs, you just need to measure the size of the studs. If the stud measures 14mm x 1.5, then you have the fine studs, but if yours measure 14mm x 2.0, then you have the coarse studs.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78660914089

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Jen Siefert
Belleville, US
★★★★★ 5
My dog LOVES this ball
Size: Medium, Size: Medium
Does your dog destroy tennis balls in seconds? Yes? Then your dog NEEDS this ball! It's squishy like a tennis ball, fits in ball launchers (even the cheap ones) and bounces when it hits the ground. My dog has been literally playing with this ball all day and not a single mark on it! The only bad thing is that it does not float. Definitely worth the money! Put it in your cart!
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Reviewed in the United States on March 8, 2026
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Wolf-Haven
San Leandro, US
★★★★★ 5
Perfect for ball demolishers
Size: Medium
The dogs love the chuck it brand. I don’t know what it’s made of but they go crazy over them. Will not play with another ball. Wonder if it’s “laced” with an addictive scent. Have pits. Very durable. Not able to chew to pieces. Last for about 6 months before there is a small break. I keep a back up because when the ball goes missing the house is in chaos. 😆 🤪
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Reviewed in the United States on March 27, 2026
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Verified Purchase
Tatiana
Omaha, US
★★★★★ 5
Most durable ball!
Size: Medium
This are my dogs fav ball 😍 they last forever!
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Reviewed in the United States on April 23, 2026
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Verified Purchase
Nana
Carnegie, US
★★★★★ 4
Chuckit medium rebound balls
Size: Medium
My 8 month old German shepherd dog loves these balls. They are easy to throw, they bounce great, they are very chewable! She keeps one in her mouth most of the time. It satisfies her need to chew and she does not chew other things. She drops it in the water and lets the hole fill up and drinks that way. The only problem that has caused is suction in her mouth and difficulty in dislodging it for her. However, she would be lost without it!
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Reviewed in the United States on April 19, 2023
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Helena
West Palm Beach, US
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025

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