This is the Walthers Proto HO Scale 40ft Ortner 100-Ton Open Aggregate Hopper - Norfolk Southern 153397.

Move heavy bulk loads for your railroad's customers with a fleet of WalthersProto 40' Ortner 100-ton Open Aggregate Hoppers. Highly detailed and fully assembled, other features include:

• One time run of these roadnumbers, order now - limited quantity available!
• Distinctive high-sided design in service from 1970s to present
• Prototypes used for hauling heavy aggregates including limestone, iron ore and taconite pellets, gravel, sand and more
• Factory-installed air-equipped door details as appropriate
• Factory-installed wire grab irons and end railings
• Removable load included
• Detailed brake gear
• Weighted for excellent tracking
• Ultra-smooth rolling metal axles and RP-25 36" wheelsets
• Proto MAX(TM) magnetic metal knuckle couplers