What is the 60 40 rule for trailers? The 60 40 rule means that about 60 percent of your cargo weight should be placed in front of the trailer axle, toward the front of the trailer, and the remaining 40 percent should be placed behind the axle. This creates proper weight distribution, helps maintain safe tongue weight, and reduces the risk of trailer sway. At AMD Trailer Rental, this is one of the first loading rules we explain because many towing problems occur not because of the trailer, but because it was loaded the wrong way.
If you are renting an enclosed cargo trailer, hauling equipment, or towing for the first time, this guide will help you understand why the 60/40 rule matters and how to use it in real life.
Why the 60 40 Rule Matters for Trailer Safety
A trailer must stay balanced to tow safely. When the load is not placed correctly, the trailer can start to sway, pull, or feel unstable behind the tow vehicle.
The 60 40 rule helps with:
- Proper weight distribution
- Stable steering and braking
- Reduced trailer sway
- Better control at highway speeds
- Safer towing overall
This rule is especially important for enclosed cargo trailer towing safety because you cannot see the load while driving.
Understanding the Trailer Axle and Load Placement
The trailer axle is the trailer’s center of gravity. Where you place the weight in relation to the axle makes a big difference.
Here is the basic idea:
- Weight placed forward of the axle adds weight to the tongue
- Weight placed behind the axle reduces tongue weight
- Excess weight behind the axle may cause wobble.
That is why the weight should be placed in front of the trailer axle, not stacked at the rear.
What Is Tongue Weight and Why Does It Matter?
Tongue weight is the downward strain that the trailer produces on the tow vehicle’s hitch ball. Most bumper pull trailers require a tongue weight of 10 to 15% of the total weight.
Proper tongue weight helps:
- Keep the trailer tracking straight
- Improve braking performance
- Reduce bouncing and fishtailing
- Protect the hitch and suspension
Putting too much weight behind the axle reduces tongue weight, which can cause trailer sway or loss of control.
Properly Loaded Enclosed Cargo Trailer Setup
A properly loaded enclosed cargo trailer is safer, easier to tow, and better for your equipment. Enclosed trailers can hide loading mistakes, so planning matters.
Follow these simple tips:
- Place heavy cargo toward the front of the trailer
- Keep your weight low and close to the floor
- Distribute the weight evenly from side to side
- Secure the cargo so it cannot shift
- Avoid placing much weight behind the axle
This enclosed trailer load balance setup helps keep the trailer’s center axle stable during travel.
Common Loading Mistakes We See at Trailer Rentals
Many make the same mistakes, especially first-time renters.
Common problems include:
- Loading everything at the back for easy unloading
- Ignoring tongue weight
- Exceeding the trailer’s gross vehicle weight rating
- Uneven side-to-side loading
- Forgetting to secure cargo
These mistakes can cause the trailer to sway, brake poorly, or feel unstable behind the tow vehicle.
How Much Does a 24 ft Enclosed Trailer Weigh?
Many customers ask how much a 24 ft enclosed trailer weighs before loading.
On average, a 24-foot enclosed trailer weighs between 4,000 and 5,000 pounds when empty. Once you add cargo, the total weight increases quickly.
Always check:
- The trailer’s weight
- The gross trailer weight
- The trailer’s gross vehicle weight rating (GVWR)
- Your tow vehicle’s towing capacity
Never exceed the maximum amount of weight allowed.
Single Axle vs Tandem Axle Trailers
Single-axle trailers are more sensitive to load placement. Small changes in weight position can affect balance and handling.
Tandem axle trailers offer more stability, but they still require proper loading. Even with two axles, much weight behind the axle can still cause sway.
The 60/40 rule works for both, with extra care needed for single-axle trailers.
Travel Trailers and Utility Trailers
Travel trailers and utility trailers follow the same basic weight rules. Weight should be placed forward, evenly distributed, and secured.
Trailer brakes also work better when the weight is balanced correctly. Poor load placement can increase stopping distance and strain the braking system.
What Is the Best Rated Enclosed Cargo Trailer?
The best-rated enclosed cargo trailer fits your load, matches your towing capacity, and has the right axle and brake setup.
No matter how well-built a trailer is, poor loading can still make it unsafe. Proper trailer loading is just as crucial as trailer quality.
How to Choose the Best Enclosed Trailer Rental
When renting a trailer, think beyond size alone.
Consider:
- Cargo weight and shape
- Trailer axle rating
- Brake system
- Hitch compatibility
- GVWR
Choosing the right trailer makes it much easier to load correctly and tow safely.
Step-by-Step Way to Load a Trailer Safely
- Know the weight of your cargo
- Check the trailer’s weight rating
- Place 60 percent of the weight in front of the axle
- Place the remaining 40 percent behind the axle
- Distribute weight evenly side to side
- Secure all cargo
- Check trailer lights, brakes, and hitch
This simple process helps prevent trailer sway and supports safe towing.
FAQs About the 60/40 Rule for Trailers
Does the law require the 60/40 rule?
No, but it is a proven safety guideline used by professionals.
Can sway control replace proper loading?
No. Sway control helps, but proper weight distribution is still required.
What happens if I overload the rear of the trailer?
It can lead to trailer sway, poor braking, and loss of control.
Does the rule apply to enclosed cargo trailers?
Yes. It is essential for enclosed trailers because shifting cargo is harder to detect.
Can I tow safely without following the rule?
Ignoring proper loading greatly increases risk, even with good equipment.
Why Rent from AMD Trailer Rental
At AMD Trailer Rental, we help customers in Allen, Dallas, and surrounding areas choose the right trailer and load it safely. We offer:
14K Dump Trailers
12′ Enclosed Trailers
14FT Lamar Trailers
16FT Utility Trailers
22FT Tilt Deck Trailers
2026 PJ 20ft Trailers
7x16TA3 Enclosed Cargo Trailer, and
24-Foot Enclosed Trailers.
We are open 24 hours a day, including holidays, and our team is always ready to help you tow with confidence.
If you want to tow safely and avoid common loading mistakes, visit AMD Trailer Rental or call (469) 972-8824 today. We proudly serve Allen, Dallas, and nearby areas. Let our team help you choose the right trailer and load it the right way. Book your rental today.
Also Read:
Why Choose Affordable Commercial Trailer Rental Over Buying a Truck or Trailer?
Enclosed Trailer for Rent: Why AMD Trailer Rental is Your Best Choice