These cars are leased by Progress Energy Carolinas (Carolina Power & Light).
They have been cut down from aluminum rapid discharge cars in the ELFX 84501-84620 series, origianlly built in 1984 by Greenville Steel Car. New capacity is 3283cf.
ROKX 8476
ROKX 8476 at Princeton, WV on 22 July 2007. This car is ex-ELFX 84603, BLT 11-84.