My new Ford F150 shudders and I don’t know why

It has come to our attention that some Ford truck owners are experiencing a vibration issue when towing with their Ford truck. These complaints of a drivetrain related shudder seem to be happening with newer model F-150 trucks. As a suspension solution for towing, we’ve found that the Torklift International StableLoads have had success in alleviating this problem.


The Torklift StableLoads are tested and proven to solve multiple drivability issues. By pre-engaging the stronger factory overload leaf springs, StableLoads give added support to the suspension your truck was designed to have originally.

As the only product available designed with an on/off capability, the patented StableLoad suspension stabilizer enables you to switch the system off when necessary. When not towing or hauling, keeping the system off enables you to enjoy the smooth, factory ride. Engage the StableLoad, load your vehicle and continue to experience the same ride quality. No other suspension system has the versatility of this on/off function.

Several Ford truck applications do not require drilling and are easily installed. Also, the lifetime warranty that comes with the StableLoad extends to the factory installed leaf spring of your vehicle as an added bonus.

Ford truck owners on online forums discuss the success they’ve experienced with the StableLoad suspension upgrade helping to solve the drivetrain related shudder on Ford trucks. 

George Ruff installed the StableLoads on his 2013 Ford F-150 truck.

“I installed the StableLoads first to see if I would notice any difference with the shudder issue,” George said. “Well to my surprise, I would guess that about 80 percent to 90 percent of the shudder was gone!”

George also noticed the improvement in handling the StableLoads provided when towing his tractor on a landscape trailer with his Ford truck.

Owners of Ford trucks have indicated that the shudder worsens when towing. To address the vibration issue, Ford truck owner Terry Reeves of Team Beefcake Racing turned to the StableLoad suspension upgrade as a solution.

Terry installed both upper and lower StableLoad applications on his 2013 Ford F-350 to tow a 53-foot Outlaw trailer weighing in at about 26,500 pounds with car and gear.


When Terry loaded the gooseneck trailer onto the truck, he immediately noticed that the sag in the rear of the truck was greatly reduced.

“I really wish I had measured the ride height before and after, because it was a substantial difference,” said Terry. “We ended up raising the gooseneck one more hole up and if I had to guess, I would say the truck is sitting somewhere between 5-7 inches taller.”

When Terry took the StableLoads for a test-drive, he wanted to maneuver both turning and straight ahead take offs to see if the Ford truck vibration was improved. With doubling the throttle he found that the shudder on the Ford truck was about 95 percent better.

Terry had initially purchased airbags, but now doesn’t see the need to install them on the truck. He found that the StableLoad suspension stabilizer addressed all of the Ford truck’s suspension problems for his application.

“On the highway, the truck definitely feels much more stable and you feel more confident driving the truck,” Terry explains. “For the cost and ease of install, this is a mod that is definitely well worth it for those that are towing and I highly recommend!”

If you are experiencing shudder or vibration when towing with a Ford truck, we suggest installing the StableLoad suspension upgrade. This easy, DIY suspension modification has shown that it can greatly reduce the vibration issues for newer Ford truck models.

Click here to learn more about Torklift International StableLoads or find your Ford truck suspension application on our application guide.


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What’s the secret to increasing the payload capacity of a truck?

It is often misunderstood that adding suspension upgrades to your vehicle will increase your vehicle’s factory towing or hauling capacity. The truth is, there isn’t a secret to magically increase the payload capacity of your truck. 

No suspension upgrade designed for towing or hauling can increase your truck’s maximum vehicle manufacturer assigned capacity ratings, however there is a suspension solution for towing/hauling that can aid in handling heavy payload in a more safe and effective way.

Torklift International StableLoad suspension stabilizer dramatically improves the handling of your vehicle when either towing or hauling. By pre-activating the stabilizing effects of the truck’s factory leaf springs, the StableLoads help reduce poor handling, eliminate side-to-side sway and level your truck while loaded.

To further explain ourselves, let’s turn to the StableLoad Challenge.

b2ap3_thumbnail_rochelle.pngAt a recent rally, we gave experienced RV towing and hauling enthusiasts the opportunity to test-drive the same Ford F-150 truck with and without the StableLoads. We placed 2,800 pounds of gravel in the bed to simulate a significant load like a truck camper.

Rochelle Jackson buckled herself behind the steering wheel for her test-drive with the StableLoads. Not only could she not believe there was a 2,800 pound load in the truck, she thought it was a whole different truck altogether!

With the StableLoads as the secret weapon, many test-drivers didn’t feel like there was any weight in the back of the truck. To see her candid reactions to the stabilizing effects of the StableLoad, watch this unseen footage from the StableLoad Challenge:

 “Wow, are you serious?” said Rochelle Jackson. “Interesting….You feel like there’s nothing in your box. You feel like it’s an empty truck.”

What Rochelle felt was the activation of the factory leaf springs on the Ford F-150 truck. When the StableLoads are engaging the overload leaf spring, the vehicle sits level, side-to-side sway is greatly reduced, and the ability to stop effectively is improved.

 “It feels like a different truck,” she explained. “It feels more cushioned – like a cushioned ride and you think to yourself, okay am I riding in the same model with the same features?”

The effects of the StableLoad suspension upgrade made it hard for Rochelle to believe she was driving the same F-150 Ford truck as the previous test-drive without the StableLoad suspension upgrade.

“I notice as the driver it’s more cushioned and you have a better ride and better sitting experience,” Rochelle concluded.

With the StableLoads installed, you can make the journey just as enjoyable as the destination. Not only is the truck’s ride quality and handling significantly better, but it’s also a safer experience on the road.

Watch the full version of the StableLoad Challenge or learn more about the StableLoad suspension stabilizer

If you aren’t sure you are towing or hauling safely, have your vehicle professionally inspected to verify the tongue weight and tow/hauling rating falls within your vehicle manufacturer’s tow ratings.

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