How To Install The Brophy Trailer D-Ring Tie Down, # RR5K, On A Wood Trailer Floor  

The 3-1/4 inch diameter hole to install the part #RR5K is the correct dimension to use. We actually even had a customer come back and say they did it with a 3 inch hole saw. I attached a link to the install video you mentioned as well.

I would go with a 3/8 inch diameter, like #39035. That should provide enough space for the wires and still give good coverage. This loom comes in a 10 foot length. If you needed less of expect that you might have other wiring to run with the existing…

The inner dimensions of the Commercial Grade Battery Box for Group 4D Batteries #329-HM408 are 21-3/16" long x 9-5/8" wide x 11-1/8" tall. Based on the dimensions of your LifePo4 batteries you'd easily be able to fit two in this…

I went out to the warehouse to measure the square holes in the Trailer D-Ring Tie Down, #LRB1. According to my measurements it will accept bolts no larger than 7/16 inches in diameter. A 3/8 inch bolt would probably be the most ideal size to use.

The Brophy Recessed Trailer D-Ring Tie Down with Backing Plate #RR5K is not application-specific so its preferred method of installation will vary from trailer to trailer. The main factor is the thickness of the material to which it will be mounted.…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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 OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

Hello Bart, thanks for reaching out. I can definitely point you in the right direction, but I will need a bit more information on your truck before I can recommend the correct tie downs. Can you please answer the following questions for me? 1. What…