BNSF 4712 is on K-040 at Ridgefield Park, NJ 4/19/2014
M&E 4228 and two other C-424's sit on M&E's interchange track. None of the three have been renumbered and will most likely be used for parts.
KCSM 4668 is on Q-710 at Ridgefield Park,NJ 8/24/2014.