Boom rotating mechanism
Boom slewing actuator system
Boom slider assembly
Boom truck
Bottle gripper
Brake for a boom mounted free swinging working member
Bridge crane electric motor control system
Bridge crane for the emplacement of elongate prefabricated...
Bridge crane, especially a container-loading bridge
Broken sucker rod retriever
Bucket assembly for use in a material handling apparatus
Bulk bags
Bull gear
Bumper mounted hoist and movable hitch