Door edge protector

Door operating mechanism

Door operating mechanism for hopper cars

Door structure for a railcar in an articulated train

Door system for a railway car

Door system for high-low platforms

Door track construction

Doorway sealing device

Double acting center-of-car cushioning device

Double acting hydraulic cushioning device

Double acting hydraulic cushioning device

Double acting slack adjuster

Double acting slack adjuster

Double acting slack adjuster

Double acting slack adjusters

Double acting slack adjusters

Double acting slack adjusters

Double acting slack adjusters

Double axle drive for rail cars

Double axle drive for rail traction vehicles