NS Southbound Local Freight Train A55 ( Birmingham to Boligee, Al. ) passing through Powderly, Al. on AGS #1 Main on their way to interchange with AGR in Boligee, Al. The NS #4000 is the class PR43C & is built by Progress Rail Services with a 4,300 Horsepower Caterpillar Engine, a 3,600 Horsepower C175 & a 700 Horsepower C17 Caterpillar Engine |