Hopper car cam lock door operating mechanism
Hopper car discharge gate seal
Hopper car door latching arrangement
Hopper car door locking mechanism
Hopper car gate anti-friction seal and method
Hopper car outlet gate assembly with breakaway gate opening...
Hopper car outlet gate assembly with self cleaning gear and...
Hopper car side construction and method
Hopper car with lading dislodgement fittings and method of...
Hopper discharge outlet and method
Hopper discharge unit with sliding gate
Hopper door actuating mechanism
Hopper door apparatus for a railway car
Hopper door locking and actuating mechanism
Hopper door operating mechanism
Hopper gate valve
Hopper outlet assembly with automatic lock for gate
Hopper outlet construction with seal between hopper and gate
Hopper rail car
Hopper railcar with automatic individual door system