Auto Latching Bi Fold Gate
bi folding ramp tailgate on General Transporter Trailer
Rack'em Double Barrel Tailgate Assist RA-27C on Custom folding tailgate
Folding trailer ramp and tailgate
Building My Trailer Swing Out Ramp pt2
bi-folding ramp
Folding Ramp
Fold in Gate - PJ Trailers
How to make TRAILER HINGES, a TAILGATE and MORE!
Another DIY Trailer loading ramp, only better.
How to Build a DIY Trailer Ramp for under $50 bucks
Building your own trailer lift gate assist springs
Cheap trailer ramp spring assist.
DIY trailer gate assist: Please finish the job!
Bi Fold Ramp - Rugged Aluminum Utility Trailer
Lubricating bifold tailgate hinge
Easy electric gate operator. Do you have a heavy trailer gate? Do this!
Trailer Ramp Hinge Modification
Eby Equipment Trailer - Split Bi-Fold Ramp Option
Refuge Rock Trailers - Tail Gate