6 units, 6 models, 4 builders (if you count CSX as a builder on the SD40-3). A nice set of power off the inbound Q382 has pulled off its train and is heading for the service area. Besides the 4550 trail "leader", the consist includes ex UP C40-8 CREX 9057, CSX 83, MPI GP20D CEFX 2010, CSX 8116, and CSX 4016.