Martin Marietta Corporation Rolling Stock Photographic Roster
Reporting Marks: HCTX
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:
K280
Detail Info:
Hopper, Load Limit: 155,000 to 184,999, Non-rotary couplers
