What Size Drop Hitch Do I Need?
If you're preparing to tow a trailer, boat, camper, or anything else with wheels and weight, you're probably asking yourself: “What size drop hitch do I need?” It’s a smart question, and one that doesn’t have a one-size-fits-all answer. Selecting the correct drop hitch is essential for both safety and performance. The wrong size can lead to uneven towing, excessive wear on your vehicle and trailer, poor handling, and even serious accidents.
Let’s break down how to find the right size drop hitch for your towing setup—and how tools like the BulletProof Hitches' Hitch Selector Tool can make the process easier and more accurate.
What Is a Drop Hitch?
A drop hitch (sometimes called a drop ball mount) is a type of towing accessory that allows you to lower the hitch ball height to line up properly with your trailer’s coupler. Most modern trucks and SUVs are built with a high rear hitch height, which often doesn't match up with the lower tongue height of a standard trailer.
The “drop” refers to how far the hitch ball sits below the receiver on your tow vehicle. For example:
a 4” drop hitch means the ball is mounted 4 inches below the receiver opening. Drop hitches often come in adjustable models, allowing you to tow trailers of different heights with a single setup.
Why Drop Hitch Size Matters
Using the correct drop hitch size is about achieving one thing: a level trailer. When your trailer is level, the load is evenly distributed between the axles and the tow vehicle. This improves control, reduces sway, and minimizes wear and tear on tires and suspension.
On the other hand, if the trailer tongue is too high or too low:
- Braking distances increase.
- Steering control decreases.
- Your trailer is more likely to sway at high speeds.
- The rear end of your truck could squat or lift, compromising traction and visibility.
How to Measure for the Right Drop Hitch Size
Finding the right size drop hitch for your setup involves a simple measurement process:
Step 1: Measure Your Hitch Height
With your vehicle parked on level ground, measure from the ground to the top of the receiver opening on your hitch.
Step 2: Measure Your Trailer Coupler Height
Now measure from the ground to the bottom of the trailer coupler (the part that connects to the hitch ball), while the trailer is level.
Step 3: Calculate the Drop
Subtract the trailer coupler height from the hitch height.
For example:
- Hitch Height = 24 inches
- Trailer Coupler Height = 18 inches
- Required Drop = 6 inches
If the trailer is taller than your vehicle’s hitch receiver, you may need a rise hitch instead, which works the same way but in reverse—lifting the ball above the receiver height.
Common Drop Hitch Sizes
Drop hitches typically come in the following standard sizes:
- 2”
- 4”
- 6”
- 8”
- 10”
- 12”
- 14”
- 16”
- 18”
- 20”
Larger trucks or trucks with lift kits often require a more significant drop, while smaller vehicles may only need a 2” or 4” drop. Adjustable drop hitches are highly recommended if you plan on towing different trailers, as they offer flexibility and convenience.
Make It Simple with the BulletProof Hitch Selector Tool.
If this process feels a little technical or you're unsure about the measurements, the BulletProof Hitches' Hitch Selector Tool is your best next step.
This easy-to-use online tool walks you through selecting the perfect hitch based on your specific towing setup. You’ll answer a few basic questions like your tow vehicle’s year, make, and model, and then input your trailer measurements. From there, the tool will recommend the exact drop size and hitch configuration that fits your needs.
Why Use It?
- It takes the guesswork out of hitch selection.
- It helps you avoid over-buying or under-buying.
- It's ideal for lifted trucks and heavy-duty setups.
- It's backed by BulletProof Hitches’ expert towing knowledge.
Whether you're a seasoned hauler or a first-time tower, the Hitch Selector Tool makes the process fast, accurate, and confidence-inspiring.
Adjustable vs. Fixed Drop Hitches You’ll also need to decide whether you want a fixed or adjustable drop hitch.
Adjustable Drop Hitches (like those from BulletProof Hitches):
- Versatile and durable.
- Ideal for towing multiple trailers with different coupler heights.
- Come with multiple pin positions for customizing the ball mount height.
BulletProof Hitches are especially well-known for their robust, fully welded adjustable hitches that support extreme towing capacities—up to 36,000 lbs in some models.
Final Tips for Choosing the Right Drop Hitch
- Always measure on level ground with the vehicle and trailer empty or with a typical load if possible.
- Consider future towing needs—buying a slightly larger adjustable hitch may give you
flexibility.
- Don’t forget weight capacity—make sure the hitch is rated for the weight you’re towing.
- Double check ball size compatibility—most trailers use a 2”, 2-5/16”, or occasionally 1-7/8” ball.
- Look for anti-rattle or stabilizer features if you tow often.
Conclusion
Choosing the right drop hitch size is essential for safe, stable towing. Whether you're towing a utility trailer, boat, RV, or equipment hauler, a properly sized hitch ensures your trailer rides level and your vehicle handles predictably.
Rather than guessing, use the BulletProof Hitches Hitch Selector Tool to quickly and accurately find the right fit for your vehicle and trailer combination. It's a simple step that can make a big difference in how confidently—and safely—you tow.
