August 15, 2012 5:23 PM PDT
Your bike will pull the trailer with no problem - provided you don't fill it with bricks!
Here is an old topic on the subject with some input from those pulling trailers...
http://www.cyclefish.com/forum/Biker-Chat/Bikers039-Topics/Towing-a-Trailer-Behind-Your-Motorcycle-3733-1.html
August 16, 2012 5:32 AM PDT
One of my long the riding partners pulled a trailer for about 20+ years with his 1977 Super Glide.
Your Softail will do fine.
September 3, 2012 3:34 PM PDT
Hey THANKS for the replies
September 4, 2012 5:35 PM PDT
my mate tows a trailker with a fatty...his only complaint is the extra fuel he uses towing it..means you can carry more creature comforts.