B

TRUCK SIDE FRAMES, TRUCK AND BODY BOLSTERS, COUPLER-YOKES, JOURNAL-BOXES, JOURNAL-BOX LIDS, BOLSTER CENTER-PLATES, BOLSTER SIDE BEARINGS, BODY-BOLSTER SUPPORTS, FULCRUM-BRACKETS, BRAKE-SHOES, COUPLER-POCKETS, PUSH-POLE POCKETS, BUFFING OR ROPING IRONS, CARRIER-IRONS, DRAFT-STOPS, DRAFT-ARMS, CAR-COUPLERS, AND CAR-COUPLER PARTS, SUCH AS KNUCKLES, KNUCKLE-PINS, UNDER-LIFT LEVERS, AND BELL-CRANKS