M108XDTC SPEED CHANGE SHIFT FORK /SHIFT LEVER Parts group M108XDTC D43000 RANGE GEAR SHIFT FORK F11000 MAIN GEAR SHIFT LEVER F12500 SHUTTLE SHIFT LEVER F14000 RANGE GEAR SHIFT ROD F18000 REAR DIFFERENTIAL LOCK PEDAL sale parts diagram catalog online construction equipment excavator tractor