Triumph are currently taking on Harley with new touring models under development. They currently have their thunderbird motor (1700cc) in a Harley Ultra .
Photos in AMCN.
There is no link as its in the current edition of Australian Motorcycle News including the photos on page 8.Slip into the news agent and have a look.
My brother in law has a thunderbird 1700 and against my 2012 Street glide with pipes and a/cleaner and tuned on a roll on leaves me for dead. They are impressive to ride i agree