Martin Marietta Materials Incorporated Rolling Stock Photographic Roster
Reporting Marks: MWAX
AAR Class:
HMA: (Ore Car) Open top self-clearing car, having fixed sides and ends and bottom consisting of two divided hoppers with doors hinged lengthwise of car and dumping between rails.
AAR Type:
K384
Detail Info:
Hopper, Load Limit: 185,000 and greater, Less than 3000 cu ft capacity *Light Density Service
