Crawler Base Machine
AssemblyTracked undercarriage with a slewing upper frame carrying the engine and winches. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Crawler Base Machine
5 top-level lines as of r125501| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Track Undercarriage 3 parts | pdr-track-undercarriage | 1× | 1 | 0 | assembly |
| 2 | Slew Bearing 3 parts | pdr-slew-ring | 1× | 1 | 0 | assembly |
| 3 | Swing Drive 4 parts | pdr-slew-drive | 1× | 1 | 0 | assembly |
| 4 | Upper Frame | pdr-upper-frame | 1× | 1 | · | part |
| 5 | Concrete Counterweight | counterweight | 1× | 1 | · | part |