Auto Latching Bi Fold Gate
Rack'em Double Barrel Tailgate Assist RA-27C on Custom folding tailgate
Trailer ramp door hinge
Folding trailer ramp and tailgate
bi folding ramp tailgate on General Transporter Trailer
How to make TRAILER HINGES, a TAILGATE and MORE!
bi-folding ramp
Building My Trailer Swing Out Ramp pt2
Trailer Ramp Hinge Modification
Adding Trailer Ramp Springs
Bi Fold Ramp - Rugged Aluminum Utility Trailer
How to Build a DIY Trailer Ramp for under $50 bucks
Hydraulic trailer ramp
Fold in Gate - PJ Trailers
Cheap trailer ramp spring assist.
DIY trailer gate assist: Please finish the job!
Utility Trailer Ramp Build, Part 1
Quick trailer ramp
Adding a Trailer Gate
Building your own trailer lift gate assist springs