With their work complete T25 swings through Mascot TN headed for Sevier Yard.

The first run! NS/Southern 3170 makes a run westbound with a loaded sand train in tow, most of the hoppers still in Southern paint.

After being sidelined from P12 the previous evening, Norfolk Southern's newest heritage locomotive sits on the Gainesville Midland lead while the sun briefly shines upon the black and imitation al... (more)

Having been out of service for 8 years, Southern Railway SD40 #3170 moves its first tonnage since being rebuilt and restored into its Southern "Tuxedo" scheme. As viewed from Inman Yard's North T... (more)

SOU 3170 makes its first appearance in service since the rebuild 5th out on NS 347. It's on its way to the Piedmont Division where it will spend most of its life working locals and yard jobs. Than... (more)

Southern Railway SD40 #3170 rests outside the NS paint shop at sunset in Chattanooga, Tennessee. Within a few hours, it will be cranked up and running, being prepared for revenue service after ha... (more)

The newest NS heritage diesel was earning its keep 15 years ago by partnering with an SD60 for several days on long-distance locals 45/46. In this photo they're eastbound approaching the CSX cros... (more)

Here's the newest NS heritage diesel earning its keep 15 years ago by partnering with an SD60 on the eastbound long-distance local. In this photo they're working the small yard at Opelika and the... (more)

After a rebuild at Norfolk Southern's Juniata Shop in Altoona, Pennsylvania, and restoration into its original Southern Railway paint scheme at the Chattanooga locomotive shop, Southern SD40 #3170... (more)

A new addition to Norfolk Southern's "heritage fleet": Southern Railway SD40 #3170 was built in April of 1971 and served for Southern and Norfolk Southern until being retired in 2008. It was rece... (more)

Ex-SOU 3170, "class unit" of the Southern SD40s (3170-3200).