when i connect the emergency airline to the tractor is there an adapter that goes first?

Answer 1

quick disconnects are used to make the connections fast and easy. they are made for all types of hydraulic and pneumatic systems. they are safer and easier than any other types of connections which have to be removable, or disconnected, rather than permanently installed. they make adapters for different sizes but you have to know the sizes you need.

Answer 2

Simple answer no
the connections are called glad hands and within the US the are all the same because a driver doesnt know which trailer he be hooking up to next

Answer 3

i would say no