For a utility trailer that is X feet long, a good starting point for axle placement is to position it at X/3 of the distance from the front of the trailer. This will help to ensure that the weight is evenly distributed and will also improve the trailer's stability and handling. However, it's important to note that this is just a general guideline, and the optimal axle placement may vary depending on the specific design and use of the trailer.
When positioning the axle, it's also important to consider the tow vehicle and the hitch height. The axle should be located at a height that allows the trailer to be level when connected to the tow vehicle. This will help to ensure proper weight distribution and reduce the risk of trailer sway or instability.
It's also a good idea to consider the tongue weight of the trailer. The tongue weight is the downward force exerted by the trailer on the hitch of the tow vehicle. It should be between 10% and 15% of the total weight of the trailer and its load. Proper tongue weight is essential for the safe and stable towing of the trailer.
To determine the proper tongue weight, you can use a tongue weight scale or weigh the trailer and the tow vehicle separately and calculate the difference. If the tongue weight is too high or too low, you can adjust the axle placement accordingly.
In summary, the optimal axle placement on a utility trailer that is X feet long is at X/3 of the distance from the front of the trailer. However, it's important to consider the weight distribution, tow vehicle hitch height, and tongue weight when determining the final axle position.