Part # Description Volts 6-8Ton 10-15Ton 20-22Ton 30Ton 1c16401p1 MUFFLER DISCHARGE 5/8"OD ALL 1 1     123575P1 MUFFLER DISCHARGE 5/8"OD HIEFF ALL 1 1     123575P2 MUFFLER DISCHARGE 7/8"OD ALL   1     123575P4 MUFFLER DISCHARGE 1-1/8"OD ALL     1 1