BX1800D ELECTRICAL SYSTEM Parts group BX1800D A53501 BATTERY B11500 PANEL BOARD B21501 SWITCH/SENSOR B21502 SWITCH/SENSOR B30100 HEAD LIGHT B30300 HAZARD LIGHT/TAIL LIGHT B31000 WINKER LAMP B50101 ELECTRICAL WIRING B50102 ELECTRICAL WIRING sale parts diagram catalog online construction equipment excavator tractor