1. Trailer Parts
2. Trailer Couplers
3. Adjustable Trailer Coupler
4. Demcox

Hello Gregg, I think I can help shed some light on what is going on. Basically, there are two ways to stop surge brakes from actuating when backing up the trailer. The first and most popular way to do this is to use a surge brake actuator with a…

First you will need to remove the old hydraulic equipment. Remove the surge coupler or actuator, remove all the lines, and finally remove the brake assemblies. If you have 10 inch diameter hub and drums, you may need to replace those as well. If you…

Hey John, The Demco Trailer Coupler #DM88XR is a channel mount style coupler and would need to connect to a channel like the #DM55342. We offer different channel mounts and versions with the channel built into an actuator so finding the correct part…

Hello Pat. The Replacement Trailer Hub Wheel Stud #RG03-080 has a .545" knurl diameter. The distance from the cap to the threads is 1-3/16".

Trailer couplers are not rated for tongue weight capacity. They are rated for Gross trailer weight, as long as the gross trailer weight is within the capacity of the coupler, the coupler is installed properly and the trailer is designed properly, the…

Yes, the Sleeve-Lock Trailer Coupler #CTA-196 will fit the channel bracket that comes with the Brophy Lunette Ring w/ 3-Position Adjustable Channel Bracket #BR43ZR. The bolt holes match as well when it comes to size and spacing so you'll be good…

Personally I prefer the Demco Trailer Coupler #DM14976-52 with the composite handle over the Coupler #DM15791-81 with a metal handle. I feel it is easier to operate as it does not have the safety latch like you get on the metal handle. Since most…

Yes, it can! To add a 2" hitch ball to the Curt Pintle Hook with 2-5/16" Ball item #C45910-15-20 you'll need the Replacement Hitch Ball for Curt Pintle Hook Combo item #C48820. This is the only way to add a 2" hitch ball you…

Hello David. All of the 2-1/4" or 2-1/2" long 9/16" wheel studs we offer have a knurl diameter of .68, such at the Kodiak Wheel Bolt #K916WB25. We do not have anything with a knurl size of .60 or .62. We do have some 1/2" studs…

Thanks for reaching out, David! We do have replacement top plates, like the U-Bolt Plate #TRTP238175 for a 2-3/8" diameter axle, or the U-Bolt Plate #TRU69FR for a 3" diameter axle. We also have a selection of 26" long leaf springs…

Instead of using the Hydraulic Brake Kit #AKFBBRK-35-D which requires using 14"-16" wheels you should use the Dexter Galphorite Free-Backing Hydraulic Trailer Brake Assembly Right #T4423400 and Left #T4423500. These will fit with your…

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.

Hello Gregg, I think I can help shed some light on what is going on. Basically, there are two ways to stop surge brakes from actuating when backing up the trailer. The first and most popular way to do this is to use a surge brake actuator with a…

First you will need to remove the old hydraulic equipment. Remove the surge coupler or actuator, remove all the lines, and finally remove the brake assemblies. If you have 10 inch diameter hub and drums, you may need to replace those as well. If…

Hey John, The Demco Trailer Coupler #DM88XR is a channel mount style coupler and would need to connect to a channel like the #DM55342. We offer different channel mounts and versions with the channel built into an actuator so finding the correct…

Hello Pat. The Replacement Trailer Hub Wheel Stud #RG03-080 has a .545" knurl diameter. The distance from the cap to the threads is 1-3/16".

Trailer couplers are not rated for tongue weight capacity. They are rated for Gross trailer weight, as long as the gross trailer weight is within the capacity of the coupler, the coupler is installed properly and the trailer is designed properly,…

Yes, the Sleeve-Lock Trailer Coupler #CTA-196 will fit the channel bracket that comes with the Brophy Lunette Ring w/ 3-Position Adjustable Channel Bracket #BR43ZR. The bolt holes match as well when it comes to size and spacing so you'll be…

Personally I prefer the Demco Trailer Coupler #DM14976-52 with the composite handle over the Coupler #DM15791-81 with a metal handle. I feel it is easier to operate as it does not have the safety latch like you get on the metal handle. Since most…

Yes, it can! To add a 2" hitch ball to the Curt Pintle Hook with 2-5/16" Ball item #C45910-15-20 you'll need the Replacement Hitch Ball for Curt Pintle Hook Combo item #C48820. This is the only way to add a 2" hitch…

Hello David. All of the 2-1/4" or 2-1/2" long 9/16" wheel studs we offer have a knurl diameter of .68, such at the Kodiak Wheel Bolt #K916WB25. We do not have anything with a knurl size of .60 or .62. We do have some…

Thanks for reaching out, David! We do have replacement top plates, like the U-Bolt Plate #TRTP238175 for a 2-3/8" diameter axle, or the U-Bolt Plate #TRU69FR for a 3" diameter axle. We also have a selection of 26" long leaf…

Instead of using the Hydraulic Brake Kit #AKFBBRK-35-D which requires using 14"-16" wheels you should use the Dexter Galphorite Free-Backing Hydraulic Trailer Brake Assembly Right #T4423400 and Left #T4423500. These will fit with…

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.