Understanding how to accurately measure the length of a fifth wheel is crucial, whether you're a seasoned RV enthusiast or venturing into the world of camping vehicles for the first time. Fifth wheel trailers, distinguished by their unique towing mechanism, offer fantastic versatility and comfort. Measuring them correctly is vital not only for ensuring compliance with transportation laws but also for confidently selecting compatible towing vehicles and navigating camping sites without hiccups.

To embark on measuring a fifth wheel, it's crucial to understand what the 'length' actually signifies in this context. The length of a fifth wheel generally refers to the distance from the rearmost part of the trailer to the point where it connects to the tow vehicle, typically the center of the kingpin or hitch point. This measurement does not include the towing vehicle itself but is instead focused on the trailer portion alone.
To kick off the measuring process, gather essential tools such as a measuring tape (ideally one that's at least 100 feet long for accuracy), and ensure you have adequate space to lay this tape out in a straight line beside the trailer. It's advisable to perform the measurement on a flat and stable surface to avoid inaccuracies caused by uneven terrain, which could artificially inflate or deflate the fifth wheel's length.

Begin at the furthest point at the rear of the trailer. This can be the rear bumper or any part of the trailer that extends farthest back. Extend the measuring tape straight along one side of the trailer toward the front. A partner can be incredibly helpful here, assisting by holding the tape at the starting point to ensure that the tape remains level and taut. Misalignment or slack in the tape can lead to incorrect measurements, which could have significant implications, especially when checking fit within campsite parameters or storage areas.
how to measure fifth wheel length
The endpoint of your measurement is the center of the kingpin, the pivot point which connects to the fifth wheel hitch in the towing vehicle. For clarity, the kingpin is a protruding piece at the front of the fifth wheel that rests inside the U-shaped opening of the hitch in your pickup truck’s bed. This precise measurement forms what is often referred to as the 'overall length' of the fifth wheel.
It's worth noting that some fifth wheel trailers have varying body extensions such as tailgates or spare tire mounts which add to their overall footprint, though they may not be considered in the 'official' measurement. While measuring the main body of the fifth wheel is usually sufficient for legal driving and parking audits, accounting for these extensions is critical when planning travels, particularly through challenging terrains or congested parking areas where such features could pose constraints.
Beyond measuring, evaluating where your fifth wheel might travel is another important consideration. Many RV parks have specific restrictions on the length of trailers, and highways may have regulations that impact vehicles beyond certain dimensions. Moreover, acknowledging the true length of your fifth wheel can crucially influence the choice of tow vehicle, as it must be capable of supporting the weight and exerted wind load effectively during transit.
The process of measuring the fifth wheel shouldn't be daunting. Precise measurements empower travelers with the confidence and knowledge that their vehicle setup is not only legal but optimally tailored to their travel ambitions and comfort, reducing stress and enhancing the on-road experience. As a recognized authority in the realm of RV travel and fifth wheel logistics, these insights are curated from extensive expertise, ensuring that each measuring attempt yields precise, reliable results, reinforcing both trust and enjoyment on every adventure taken.