Are There Hubs for a Straight Spindle with 1-1/4" or 1-3/8" Diameter  

Yes, though you'll just need to get the axle and hubs separately. What you will need is the following: - Trailer Axle Beam with Easy Grease Spindles - 89" Long - 3,500 lbs #e38GR - Easy Grease Trailer Idler Hub Assembly for 3.5K…

I went out to the warehouse and took several measurements of Curt Hook with Spring Loaded Safety Latch #C81840 for you. I have included a picture showing the measurements.

When selecting the correct replacement axle for a utility trailer you will need to know both the hub face (wheel center) and spring center measurements. For example, if your current hub face measurement is 88" and you replace this with an axle…

Domestic trailers have a 2-wire system where there is a circuit for the running lights and a circuit for the brake lights and turn signals; our trailer connectors are not configured for a separate brake circuit. You can separate those by using…

If the spring seat dimension on the axle does not match up the suspension won't work properly as it will be bound up instead of able to move freely. This also would cause premature failure of the components as well so I'd have to recommend…

In regards to the Hopkins Engager Push-To-Test Trailer Breakaway Kit part #20400, there are only two wires with the black being power so it should be run to the positive battery terminal and the blue being brake output so it should be run to the…

On this page (typically below the product links) there is a helpful link section that will have the install instructions fo the Hopkins Breakaway kit part #20400 that you referenced. I also attached an install video that shows the kit installed as…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.