E55B - MINI CRAWLER EXCAVATOR (4/12-9/16) 37 - HITCHES, DRAWBARS & IMPLEMENT COUPLINGS Parts group E55B - MINI CRAWLER EXCAVATOR (4/12-9/16) 37.000.00 - PICTORIAL INDEX - BALLASTING (Feb 23 2 37.140.0107[01] - COUNTERWEIGHT 37.140.0107[02] - COUNTERWEIGHT INSTALLATION 37.140.0108 - EXTRA COUNTERWEIGHT sale parts diagram catalog online construction equipment excavator tractor