Redline Trailer Suspension SP01-160 Review Video

I pulled one of the #117858 U-Bolt plates out of stock and measured the center to center bolt hole spacing for you. From the center of one bolt hole to the next, from side to side, the measuremsnt is 2-5/8 inches. From center to center front to…

You would need to measure the inside diameter of the hub opening to determine which cap size is needed. You would want to choose a cap whose outside diameter matches the inside diameter of the hub. Some of the most common sizes are 1.980 inch,…

For your application I recommend using the 4-Leaf Slipper Spring w/ Hook End for 4,000-lb Trailer Axles #SP-230275. This measures 26-5/8" to the end of the spring but if you check out the attached photo you'll see that it will fit…

The Optronics LED Trailer License Plate Light with Bracket #OPT97FR would normally be mounted to the surface of a trailer. The the only way to power this light using the Curt Auxiliary LED Indicator Lights #C53201 would be to splice into the running…

If you look on the frame of your trailer there should be a plate with the trailer VIN number and the axle capacities of the trailer. You will want to pick leaf springs that are as close to the axle capacity as possible. You will want to also measure…

It sounds like the axles were attached with 2 inch U-bolts that are 1/2 inch diameter which are a standard size so it sounds like the axles are compatible with a standard U-bolt kit like the CE Smith U-Bolt Kit for Mounting 2" Square Trailer…

When installing suspension components on your trailer there is not going to be a torque setting for the hanger bolts because they really only get tightened down to hand-tight. Going more than hand-tight can pinch the hangers closed and prevent the…

The correct torque for installing lug nuts on your 5 X 8 trailer's 5-lug wheels will depend on the size of the lugs. For a 1/2-inch lug the torque spec ranges from 75- to 85-ft-lbs. For a 9/16-inch lug the torque spec ranges from 135- to…

I apologize for any confusion on what the proper torque specs are for 1/2 inch lug nuts on trailer wheels. I attached a picture of a chart to the right that details what the proper torque specs are for a trailer wheels lugs based on lug size, wheel…

The dimension you inquired about is shown on the linked diagram. The spindle-center to frame mounting point on the Timbren axle-less suspension system #A20RS545 is 2-5/8-inches. If you wish you can see various other dimensional drawings on the…

The psi of your trailer tires will be listed on the side wall. It will list the max psi which is what you will want to fill them to regardless of how much weight you have. For reference, the 4.80 x 12 tires we carry have a 60 psi max for load range B…

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…