The Cap Unit Preservation Society (C.U.P.S.) is a special interest group that was originally created by members of RPCA. CUPS is dedicated to the preservation and operation of historic cab unit locomotives. When joining RPCA you have the option of also becoming a CUPS member. The group hosts a yearly seminar and discusses topics relevant to owning EMD & ALCO cab unit locomotives. For more information please contact CUPS at:

C.U.P.S

420 W. Greenwood Rd

Linthicum Heights, MD 21090-2305

410-850-4183