E50B SR - MINI CRAWLER EXCAVATOR (3/11-7/16) 37 - HITCHES, DRAWBARS & IMPLEMENT COUPLINGS Parts group E50B SR - MINI CRAWLER EXCAVATOR (3/11-7/16) 37.000.00 - PICTORIAL INDEX - BALLASTING (Feb 23 2 37.140.0103[01] - COUNTERWEIGHT 37.140.0103[02] - COUNTERWEIGHT INSTALLATION 37.140.0106[01] - EXTRA COUNTERWEIGHT (VAR.747649 sale parts diagram catalog online construction equipment excavator tractor