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What is the tongue weight of a Ford Flex?

Tongue weight on a Ford Flex varies by configuration: about 450 pounds if you have the factory Trailer Tow Package with a 4,500 lb towing limit; about 200–300 pounds if you tow lighter loads without the package. This article explains how tongue weight is defined, what Ford's towing specs mean for the Flex, and how to estimate safe tongue weight for your trailer.


Understanding tongue weight


Tongue weight, or ball weight, is the downward force the trailer exerts on the hitch. It influences how stable the trailer feels behind the vehicle and how the load is distributed across the tow vehicle’s axles. A common guideline is to aim for 10–15% of the trailer’s weight rating. Too much tongue weight can overload the rear of the vehicle; too little can cause trailer sway and poor steering control. Always verify exact limits in your vehicle’s owner's manual and with the trailer manufacturer.


Tow ratings and tongue weight by configuration


Before listing typical values, note that Ford published two primary towing configurations for the Ford Flex during its production years (roughly 2009–2012): a base towing capacity around 2,000 lb, and an optional Trailer Tow Package that increases capacity up to about 4,500 lb. Actual figures depend on year, drivetrain (FWD/AWD), engine options, and whether the tow package is installed.



  • Trailer Tow Package: maximum towing capacity up to 4,500 lb; tongue weight commonly up to about 450 lb (roughly 10% of the 4,500 lb rating).

  • Without Trailer Tow Package: maximum towing around 2,000 lb; tongue weight typically in the range of 200–300 lb (approximately 10–15% of the 2,000 lb rating).


Conclusion from these figures: the usable tongue weight for a Ford Flex scales with the towing rating you actually have. Always treat these as guidelines and confirm the exact numbers for your specific vehicle and trailer combination in the owner's manual or via Ford support for your VIN.


Estimating tongue weight for your trailer


To estimate the tongue weight for a particular trailer load, you can use the following steps. They help you stay within the safe range and avoid overloading the rear axle or compromising stability.



  1. Identify the trailer’s GTWR (gross trailer weight rating) from the manufacturer. If you’re towing a loaded trailer, use the actual loaded weight rather than the maximum rating.

  2. Apply the 10–15% guideline to estimate the target tongue weight. For example, a 3,500 lb trailer would have an estimated tongue weight of 350–525 lb.

  3. Weigh the loaded trailer or use a reliable scale to determine the actual ball weight (tongue weight) on the hitch. If you’re between the 10–15% range, adjust ballast or distribution as needed.

  4. Check the Ford Flex’s GVWR and axle ratings to ensure the combined weight (vehicle + trailer) remains within safe limits.


Real-world results can vary based on hitch type, trailer design, load distribution, and payload in the vehicle. Use the closest approximation to stay within safe operating ranges and consult a dealer or the owner’s manual for precise figures.


Model-year notes


The Ford Flex was produced primarily for model years from 2009 to 2012. Tow package availability and specific ratings could vary by year and trim, so it’s important to verify the exact specs for your particular vehicle and trailer combination using your VIN or Ford’s official documentation.


Summary


In short, the tongue weight you’ll experience with a Ford Flex depends on whether the Trailer Tow Package is installed. With the package and a 4,500 lb towing rating, expect up to about 450 lb of tongue weight. Without the package, typical tongue weight is around 200–300 lb for a 2,000 lb tow capacity. Always use the 10–15% rule as a starting point, confirm exact specs in the owner’s manual, and ensure the total load stays within the vehicle’s rated limits for safe towing.

What is the most common problem with the Ford Flex?


Top Ford Flex Problems

  • Broken Center Console Latch.
  • Brake Noise – Front Grunting / Grinding.
  • Transmission (Red) or Power Transfer Unit (PTU) (Brown) Fluid Leaks at Axle Area.
  • A/C Fan Speed Changing Constantly.
  • Ford Flex window and door trim detachment issue requiring multiple panel replacements.



What is an acceptable tongue weight?


A safe tongue weight is 10% to 15% of the trailer's total loaded weight for most bumper-pull trailers. For gooseneck and fifth-wheel trailers, the recommended range is higher, at 15% to 30%. This weight distribution is crucial for stability; too little can cause trailer sway, while too much can impair the tow vehicle's steering and braking. 
For bumper-pull trailers

  • Ideal range: 10% to 15% of the Gross Trailer Weight (GTW). 
  • Example: If a trailer with its cargo weighs 5,000 pounds, the safe tongue weight should be between 500 and 750 pounds. 
  • What happens if it's too low: The trailer is prone to sway (fishtailing), especially at higher speeds. 
  • What happens if it's too high: The rear of the tow vehicle can sag, which negatively affects steering and braking control. 

For gooseneck and fifth-wheel trailers
  • Ideal range: 15% to 30% of the Gross Trailer Weight (GTW). 
  • Reason: These trailers are designed for heavier loads and have a different hitch system, so a higher tongue weight is appropriate and necessary for stability. 

Important considerations
  • Check your vehicle and hitch ratings: Always ensure your towing vehicle's hitch ratings for gross trailer weight and tongue weight are not exceeded. 
  • Load your trailer correctly: Place heavier items over or slightly ahead of the trailer's axles and as low as possible to maintain the correct tongue weight. 
  • Secure your cargo: Make sure all items are secured so they cannot shift and change the weight distribution while you are towing. 



Can you tow with a Ford Flex?


You are responsible for obtaining the proper hitch ball, ball mounting, weight-distributing equipment (i.e., equalizing arms and snap-up brackets, sway control system) and other appropriate equipment to tow both the trailer and its cargo load.
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What is the weight capacity of the Ford Flex hitch?


This Ford Flex hitch is stringently tested in accordance with SAE J684 to ensure a weight carrying capacity of 5,000 lbs.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.