Southern/Norfolk Southern RP-B4U conversion kit SOU-01

Built at Peagram shops in 1967-1968 from retired Baldwin switchers to operate with SW1500's and MP15DC locomotives in Hump yard service these slugs lasted until 1993 when retired and replaced with newer model slugs. during there service life they wore Sourthern Railway tuxedo and Norfolk Southern lettering and paint and carried 918 and 933 for Southern Railway and 9818 and 9833 for Norfolk Southern until their retirement.