Hopper car with automatic discharge door mechanism
Hopper car with lading dislodgement fittings and method of...
Hopper cars with one or more discharge control systems
Hopper construction
Hopper discharge door operating mechanism
Hopper discharge outlet and method
Hopper discharge unit with sliding gate
Hopper door and operating apparatus for a railway car
Hopper door apparatus for a railway car
Hopper door locking and actuating mechanism
Hopper door operating mechanism
Hopper door operating mechanism
Hopper gate
Hopper outlet having vertically movable door bearing
Hopper railcar with automatic individual door system
Hopper slope sheet support and connecting means
Hopper vehicle
Hydraulically actuated railway car dumping system
Hydraulically actuated railway car dumping system