Vale BB40-9W 1163 working as DPU in an iron ore train with 160 cars while passing by Drumnond yard. Place: Nova Era, MG Brazil Date: July 31st, 2009
This UP DPU-5907-brings up the rear of an eastbound coal drag at J Street SW in Cedar Rapids, IA. April 16, 2008.
A trio of BNSF GE's pull a westbound empty coal as an eastbound loaded coal train and its DPU sit to wait for westbound traffic to clear.