Hole Spacing On Mounting Plate For Ultra-Fab Electric A-Frame Jack  

Once an overload condition has ceased then the circuit breaker should reset itself. It is mounted on the outside of jack #UF38-944017 but should not need any persuasion to reset. If the jack is not powering on it could be that an overload or short…

The jack has a 3,000 lb vertical load capacity. So basically 3,000 lbs tongue weight.

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.

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

We do carry the 33" Ark Stabilizer Jack that you are looking for with part #ARK77FR. I was able to track down a few drawings that you should find helpful. These are for the 30" #ARK94FR and the 24" #ARK34FR Stabilizer jacks. I'm…

I contacted the manufacturer about the lengths for these stabilizer jacks and have included the information they were able to provide me. The Ark Drop Down Corner RV Stabilizer Jacks #ARK34FR are 422 mm (16.6") collapsed and 600mm (23.6")…

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

The rule of thumb for estimating a tongue weight is 10-15 percent of trailer weight. A 4,600 pound trailer would have a tongue weight between 460 and 690 pounds. Somewhere between a 1,000 to 2,000 pound capacity jack would be fine. Having a jack that…

We don't currently have any customer submitted photos for the Brophy Heavy Duty Cable Camper Jacks #CX74, but we do for the lower capacity #CJ74, which uses the same lift brackets. From the edge of the tube to the lift bracket is approximately…