How to Tell If F150 Has Locking Differential

To tell if an F150 pickup truck has a locking differential, you’ll need to check the vehicle identification number (VIN). The VIN is usually located on the driver’s side dashboard or door jamb. Look for the 8th character in the VIN.

If it is either an “A,” “G,” or “H” then your F150 has a limited slip differential; whereas, if it is an “E” then your F150 has an open differential. Additionally, you can visually inspect your rear axle and look for two small tabs sticking out from behind each wheel hub—if present, this indicates that you have a locking differential.

  • Check the Vehicle Information Sticker: The easiest way to determine whether your F150 has a locking differential is to check the vehicle information sticker located on the driver side door frame
  • This sticker will indicate if you have a limited slip or locking rear differential
  • Look for Axle Tags: Many Ford vehicles come with axle tags indicating which type of differential is installed in your truck
  • These axle tags are usually found near where the drive shaft attaches to the rear axles, so you may need to crawl under your truck to find them
  • Inspect Your Rear Tires: A surefire sign that your F150 has a locking differential is if both tires spin together when one wheel spins while in four-wheel drive mode; this indicates that power is being sent equally through both wheels and therefore you have a locking differential installed in your vehicle

Feature Friday: Electronic Locking Rear Differential

How Do I Know If My F150 Has a Locking Differential?

Knowing whether or not your F150 has a locking differential is an important part of vehicle maintenance. A locking differential provides better traction and stability on uneven surfaces and in slippery conditions. To determine if your F150 has a locking differential, check the owner’s manual for information as to which type of axle it is equipped with.

If you don’t have access to the manual, look for one of two telltale signs that will indicate if you have a locking differential: firstly, you should be able to see a badge near the tailgate stating either “4X4” or “FX4.” Secondly, examine under the truck; there should be two circular metal covers near each wheel – these are usually referred to as “differential covers” – and they will typically feature some kind of lettering (e.g., ‘LSD’) indicating that it indeed has a limited-slip/locking differential installed. If neither of these methods yield any results then another option is to take your car into a trusted mechanic who can diagnose what type of axle system you have fitted.

Which F150 Trim Has Locking Differential?

The Ford F150 is one of the most popular pickup trucks on the market, and it offers a wide range of trim levels to choose from. If you’re looking for a truck with added security and performance features, then you’ll want to check out the F150’s locking differential option. This feature locks both rear wheels together so that they turn at the same rate when cornering or driving over rough terrain.

It helps improve traction in slippery conditions and reduces wheel spin, offering increased stability and control while driving off-road or on wet surfaces. The locking differential comes standard with many higher trim levels such as Lariat, King Ranch, Platinum, Limited and Raptor models — but can also be found on some lower trims like XLT if desired. Whether you’re using your F150 for work or pleasure activities, this lockable differential is an invaluable addition that will help ensure your safety while enjoying all that your truck has to offer!

How Do I Know If I Have a Locking Rear Differential?

If you’re wondering whether your vehicle has a locking rear differential, there are several ways to determine this. First, consult the owner’s manual for your car or truck; it should have information regarding the type of differential fitted in your vehicle. Additionally, look under the rear axle cover and inspect for any markings that denote a locking rear differential.

If present these will usually say “limited slip” or “posi-traction”. Another way to check is by jack up each wheel on either side of your vehicle independently and see if one wheels stops while the other continues to rotate – indicating a locked diff. Finally, you can use an automotive stethoscope (available at most auto-parts stores) to listen for any clicking noise when turning both tires simultaneously; again this would indicate a limited slip differentials presence.

Ultimately, if you’re still unsure after trying all these methods then it may be best just take it into a qualified mechanic who can diagnose which type of differential is installed on your car or truck with certainty.

How Do I Know If My Truck Has Locking Differential?

If you’re wondering whether or not your truck has a locking differential, there are a few ways to find out. One way is to look at the inside of your wheel hubs. If they have two plugs that can be removed with an Allen wrench, then it’s likely that your vehicle has locking differentials.

Another way to determine if you have locking differentials is to look for a dash light on the instrument panel near where the speedometer and odometer readings are displayed. This light should indicate when one or more wheels are engaged in the locking differential mode. Finally, some trucks will also come with an owner’s manual which may mention if there’s a particular feature such as this installed on your vehicle; so don’t forget to check this as well!

Overall, determining whether or not your truck has locking differentials isn’t difficult – just keep these simple tips in mind and you’ll be able to figure it out quickly!

How to Tell If F150 Has Locking Differential


Which F150 Has Locking Differential

The 2020 Ford F150 models come with a locking differential, which is an upgrade from the previous model years. The locking differential helps to evenly distribute power across both rear wheels for improved traction on slippery surfaces and better handling when carrying heavy loads. This feature can be especially beneficial for off-roading or driving in wet conditions.

With this feature, you can rest assured that your F150 will have superior traction and stability while out on the road!

Ford F150 Locking Differential 2Wd

The Ford F150 Locking Differential 2Wd is a great choice for drivers who are looking for increased off-road capability. This differential locks the rear wheels together so that they move at the same speed, allowing you to keep traction in difficult terrain and helping you stay on course even when one wheel loses its grip. It also provides improved stability and control while cornering, making it an ideal option for those who want more confidence while navigating challenging roads.

Ford F150 Rear Differential Upgrade

If you own a Ford F150 and are looking to upgrade your rear differential, there is no better option than the Ford F150 Rear Differential Upgrade. This upgrade will improve the performance of your vehicle by allowing for increased torque transfer and improved traction on slippery surfaces. It also increases fuel economy and reduces wear on tires due to its reduced drag coefficient.

With this upgrade, you can be sure that your truck will be able to handle any terrain without sacrificing performance or reliability.


Overall, it is important to know whether or not your F150 has a locking differential. This knowledge can help you make the most of your vehicle and its capabilities. The best way to determine if your F150 has a locking differential is by taking off the inspection cover and looking at the number of splines on the axle shafts.

If they match, then your F150 has a locking differential. Additionally, if you have any questions about this process it is always wise to consult with an expert mechanic before attempting any repairs yourself.

David Jon

David Jon

I'm a long-time Ford and automotive enthusiast, and I've been writing about cars for over 10 years. I started Fordmasterx as an effort to combine my two passions – writing and car ownership – into one website. I hope that you find everything you need on our website and that we can help guide you through all your automotive needs.

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