L4740GST-3 SPEED CHANGE SHIFT FORK /SHIFT LEVER Parts group L4740GST-3 D20102 MAIN GEAR SHIFT FORK D20502 SHUTTLE SHIFT FORK D21702 RANGE GEAR SHIFT FORK D22502 DIFFERENTIAL LOCK SHIFT FORK E10102 MAIN GEAR SHIFT LEVER E10502 SHUTTLE SHIFT LEVER E14002 FRONT WHEEL DRIVE LEVER sale parts diagram catalog online construction equipment excavator tractor