Railway hopper car side door actuating mechanism

Railway hopper car sliding gate closing mechanism

Railway hopper car sliding gate lock

Railway hopper car sliding gate sealing mechanism

Railway hopper car with bottom door discharge mechanism

Railway hopper car with longitudinal discharge openings

Railway hopper gate locking assembly

Railway side door hopper car locking mechanism

Railway tank hopper car

Rapid discharge railcar door

Rapid discharging hopper car automatic door latch

Remote control positioning system for controlling hopper doors

Remotely operated manhole cover for a tanker

Restraint assembly for the hopper door actuator of a rapid disch

Rotary dump