Air Brakes and Train Handling Rules - Alaska Railroad

67 Car Equipment and ComponentsKnuckle MarkingsH50 BHTThis letterindicatestype “H”Coupler HeadMarkingsH81 HTFigure 67-D. Type H Coupler Assembly.67.3 Wheel and Journal Identification On CarsTo determine the correct wheel numbers on cars:1. Face the “B” end of the car.2. From the “B” end of the car, identify the designation of wheels,journals, and axles as follows (see Figure 67-E):• Axles are designated from the “B” end of the car with “1”for the axle closest to the “B” end.• Wheels and journals are designated left or right as viewedfrom the “B” end.• Specific wheels are identified using the axle and wheeldesignation.For example, R1 = the wheel on the right side nearest the“B” end of the car.67-4 ARRC Air Brakes and Train Handling Manual June 1, 1996