fairlea overdrive

[fj45350]

hi im looking at buying a 60 series 2h diesel with a 4 speed with fairlea overdrive could someone tell me how to operate itand wat it does guy rekns beta than 5 speed but who knows

 

[alkarich]

This might help,

https://forum.ih8mud.com/40-55-series-tech/30958-fairey-overdrive.html