The class unit. The modern workhorse of EMD’s offerings is the SD70ACe, a product that has returned it to more widespread industry acceptance. Norfolk Southern Corp 1000 is in fact #1 of NS’s order, and was built in February, 2011. Under heavy storm clouds, it rolls past MP 219 in Birmingham, PA over the Little Juniata River with loaded coal on Train 746 on the evening of Sunday, April 14, 2019.