Reflecting THE NEW YORK, SUSQUEHANNA AND WESTERN RAILWAY CORP. SU-99 so long that it was decided to add helper units to to push it up the mountain towards Sparta, New Jersey on the evening of Friday, December 2, 2022. Norfolk Southern Corp 5361 (née CR 8223, GP38-2, 8/1978) and 3046 (CR 3360, GP40-2, 4/1979) were back to back to perform the task.