NS Southbound Freight Train 385 ( Birmingham to Mobile, Al. ) splits the 20th Street signals as they depart Norris Yard in Irondale, Al. on AGS #1 with a trio of PR43Cs for power. The 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 |