HO Athearn F Unit Connection Kit, 3 Pack (black)
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HO Athearn F unit Connection Kit 3 pack (black). For Athearn Blue Box locomotives. Comes with #6100 close coupling draft gear boxes and diaphragms for A-B-B or A-B-B-A lashups. Close the gap with our innovative injection molded operating diaphragms. This easy to assemble kit turns a diesel lashup into convincing scale power units. Diaphragms stay connected in turn radii over 24 inches and have no minimum radius for smooth operation.
If you have Athearn F7s then you've got to have this kit.
Compared to other diaphragm kits, this is very easy to build. Close coupling is also easy to install.