Can you replace a spindle on a trailer axle?
Expert Reply: To replace a spindle, the old one would need to be cut off, and the new one welded into place. This is NOT a job for the do-it-yourselfer. The new spindle must be absolutely square with the axle in order to prevent premature tire wear and wheel tracking problems.
What is a spindle on a trailer axle?
Spindles are the innermost part of the trailer wheel and axle assembly. They provide a surface for the wheel bearings and wheel hub to rotate around.
What size spindle is on a mobile home axle?
 Most mobile home axles have the #42 spindle [ 1 3/4” x 1 1/4” ] using bearings # 25580 [ 1 3/4” ID] inner & 15123 [1 1/4” ID] outer.  The spindle diameter of 1 3/4” inner X 1 1/4” outer matches the spindle requirements for both 6 lug & 8 lug standard trailer hubs, or hub drums.
How do I know my spindle size?
How do I determine what size spindle I have?
- 1 1/16”
- 1 ¼”
- 1 ⅜”
- 1 ¾” The second method is by using a flexible tape measure. Wrap the tape around the spindle at the bearing locations. The number is the circumference of the spindle. Use the table below to determine the bearings required for your spindle.
What are spindle sizes?
Determining D1 Type Spindle and Size
|Spindle Nose||A (in)||B (in)|
|D1-3||3.622||2.1250 + .00025|
|D1-4||4.606||2.5005 + .0005|
|D1-5||5.748||3.2505 + .0005|
|D1-6||7.126||4.1880 + .0005|
How do you know if your trailer spindle is bad?
Look for an scarring, gouges, discoloration, or scoring on the spindle. If the spindle is damaged then the bearings won’t ride properly and can fail again or it can cause other problems such as uneven or excessive tire wear and ride quality problems.
How do I know my trailer axle size?
If you bought a company-made trailer (as opposed to building one yourself from a kit) there should be a tag with the VIN, weight and capacities all there for you. You should find it on the driver’s side of the trailer. A second way to determine the size axle you need is to measure the diameter of your existing axle.
What is a number 84 spindle?
This is a Weld in Trailer Spindle that will accommodate a 3500 lb Straight Trailer axle Beam and corresponding wheel bearings. This Spindle is referred to as a #84 Spindle, using a 1 3/8″ ID Inner Wheel Bearing and a 1 1/16″ ID Outer Wheel Bearing. Additionally, this Spindle uses the standard 1.72″ ID Seal Surface.
How long does it take to replace a spindle?
A quick turnaround for an emergency spindle repair job would be 24 hours, but the standard turnaround time for a straight repair is between 5-10 business days. In some unique cases, depending upon the need to make repairs or obtain new parts, a spindle repair job can take a few weeks.
What causes spindle damage?
Spindle damage can be caused by a variety of factors which can include but not limited to: high mileage, bearing failure, improper bearing installation.