Photo shows RMT-92633 is an A-A set with ALASKA #1959 powered and an ALASKA #2009 non-powered unit painted in the ALASKA's yukon blue/midnight sun yellow scheme.
A-A units are sold only as a set. However a matching powered B unit RMT-92733 ALASKA is also be available for seperate purchase to create an A-B-A or A-B-B-A set.
