Here are four pictures of WECX 800 and 801, the worlds largest railcars, sitting on Kasgro yard lead in New Castle, PA, on 8-16-12. Over 3.76 million pounds of load-carrying capacity...in just TWO railcars! Cars now en route to the Carolinas for Westinghouse Nuclear vessel loads.
More photos and specs at following web site.
http://southern.railfan.net/schnabel/cars/wecx801/wecx801.html