The best replacement for softail is dyna.

The best alternatives to softail are rated as following:
★★★★★  dyna
★★★★  touring
★★★  hardtail
★★★  sportster
★★★  road king
★★★  rigid
★★★  hardtail mountain bike
★★  fatboy
★★  wide glide
★  street glide
★  street bob
★  hardtail motorcycle
★  roadking
★  dyna glide
★  full suspension
  v rod
  super glide
  touring harley
  dyna harley
  softail deluxe
  electra glide
  dyna ride
  hardtail bobber
  rigid chopper
  fat bob

Your alternative for softail is not listed? Suggest!
Speaking about softail, one probably shouldn't forget about 18 inch ape hangers.

Other search terms related to softail and their ratings are:
★★★★★ 18 inch ape hangers
You have in mind a companion for softail and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of softail in all years. Click on graph for more.
softail
dyna
touring