Check the Kadee website under HO Conversions. They show how to install the #78 on Athearn Trinity cars.
I have some Athearn Trinity 5161 cu. ft. covered hoppers. Kadee recommends that I use #78 couplers. This means that I have to use the coupler box that came with the couplers. What are these couplers designed to do? I put #58 couplers in these cars with the original coupler boxes and they seem to work OK, but the cars seem to be a little too far apart coupled togethers.
What are thoughts?
Thanks for the replies in advance.
Will