Review of TRC Enclosed Trailer Parts - Ramp Door Spring - 362SA6 Video

If the weight you would be lifting is the weight of 80 lbs then yes you'd only need the part #M384FR to help lift it. This would have enough capacity and could be wound to basically make the ramp feel like its very light.

Trailer ramp door springs are generally chosen based on the inside width of the trailer where it will be installed. Also, ramp door springs such as #362SA6 can be trimmed down some if the length is too much for the trailer. This is the shortest…

I called my contacts at our winch suppliers to see if there were any winches available that perform as you requested. I was unable to find a winch that had an auto shutoff when the winch senses a trailer door is closed since winches constantly feel…

To determine the correct weight springs you will need a scale to determine how much weight is on the door when it lays out on the ground. You will place the scale on the ground in the center of the landing path of the door edge. This will tell you…

In order to properly weigh your door to figure out the correct spring you only need to find the weight when the ramp door is down. Assuming you weighed your door without spring assist, you can use the 74 lb measurement. Typically, you use a scale and…

The Conventional Ramp Door Spring for 6' Wide Enclosed Trailer part #362SA6 is designed for 38" to 69" wide trailer doors so this is what you'll want to use. The bar will actually be trimmed to fit your exact width.

I believe you're referring to the #RS16933LH spring, is that correct? These springs aren't meant for an enclosed trailer with a ramp door, they're meant for the very heavy steel ramps you'd typically see on the back of a trailer used…

The Enclosed Trailer Ramp Spring, part #362SA6 will work great for your Haulmark trailer. This spring is 66-inches long but can be trimmed down to fit the size you need. The spring has universal brackets with 3/8 inch holes and can be mounted on the…

With the cable of the TRC Ramp Spring #362SA5 being 135 inches long, using the form to get the measurements of a right triangle, a^2+b^2=c^2, you will get 67 1/2 inches. This will therein allow for a door that is just over 5 1/2 feet.

When wound properly the 120 lb lifting force of the Conventional Ramp Door Spring #362SA6 is going to be basically throughout the entire range of the ramp being lifted as you'll feel it. That said, the spring will be helping the most when the…

The cables with the Conventional Ramp Door Springs like part #M394FR are attached to the door via anchor brackets which are included with the kit. I have attached below the excerpt from the install instructions below which goes over the cable…

Yes, as you can see in the attached video, the Race Ramps Trailer Loading Assist Ramps part #RR-TR-8 can be used in unison with a trailer ramp door to lessen the approach angle. There is a lip on the end of the ramp that will allow the door to sit…