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How to measure a Torsion Axle
In this video, we’ll walk you through how to measure your torsion trailer axle.

What you’ll need: Tape Measure, framing square or “L” shaped ruler, download the Torsion Axle Order Form here to make it easy when ordering your axle.

Remove tires: To get accurate measurements, we recommend removing the tires before you start measuring.

How to measure the axle brackets: When measuring the axle brackets we are going to measure outside the brackets to outside the brackets as well as inside to inside. The reason for this is because manufacturer sizing varies from bracket to bracket and by knowing these two measurements, we can customize your axle to be a perfect fit when you place it underneath your trailer. To measure the outside of brackets, place your tape measure on the outside of one bracket, and pull it across to the outside of the other bracket. To measure the inside of brackets place your tape measure on the inside of the bracket and measure across to the inside of the other bracket.

How to measure the axle beam: Measure the diameter of the beam with a tape measure.

How to measure the bolt circle: The bolt circle is the space between the bolts. If you have a 4, 6, or 8 bolt circle, you can measure from the center of one bolt circle to the center of the bolt circle that is directly across. If you have a 5 bolt circle, this measurement is found by measuring from the outside of one bolt circle, skipping one, and measuring to the center of the next stud or bolt circle.

How to measure the Hub Face: The hub face measurement is the overall width of the axle. To get an accurate hub face measurement on a torsion axle, place your tape measure on the smooth part of the hub where the wheel attaches, and pull the tape measure across to the other side, measuring to the outside of the other hub face.

How to measure the trailing arm angle: Line up the top and bottom point of the diamond on the suspension arm making sure the framing square lines up directly down the center of the axle tube, this will ensure the rubber suspension is not worn out and giving you a false angle. Once you have established the arm's true neutral position you can then determine the angle. Common trailing arm angles are, 22.5° up, 10° up, 0°, 10° down, 22.5° down, and 45° down.

If for any reason your axle is bent, broken, or missing a hub, contact us today at 515-608-8040 and we’ll walk you through how to measure it.
Now that you have measured all the parts of your torsion axle, go to www.blueswiftaxles.com, and order a new torsion trailer axle today. Once the order is placed, our team is going to jump to get you back on the road!


Video by https://www.desmoinescreative.com