Think your doubler is cool?...this guy has a TRIPLER!..:)

[diesel4me]

Yeah,its on a tractor,but its similar enough to a doubler to be relevent I guess...talk about a crawl ratio--one FOOT PER HOUR!...http://marvinbaumann.com/fourtrans.html



Edit..it appears he has FOUR transmissions ,including the original !..so its in fact a "Quadrupler"....

 

[tRustyK5]

That would be a "Forpler"