Still looking like a "Hippo" (the nickname acquired by these locomotives) is Amtrak 90691. Built by Bombardier/Alstom in December 2000 as Amtrak HHP-8 661, it was renumbered AMTK 691 when these p... (more)

Hippo On The Move. In an unusual move, AMTK 608 (ACS-64) and 90691 (HHP-8/NPCU) were paired up on Train 43 (Pennsylvanian) out of New York Penn Station on the morning of Friday, January 13,... (more)