Crawler Undercarriage
AssemblyExcavator-type twin crawler base that propels the 45–200 t machine between holes and spreads its weight on the bench. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Crawler Undercarriage
4 top-level lines as of r145051| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Track Chain | rotary-blasthole-drill-track-chain | 2× | 2 | · | part |
| 2 | Propel Drive | rotary-blasthole-drill-propel-drive | 2× | 2 | · | part |
| 3 | Idler & Roller Set | rotary-blasthole-drill-idler-roller-set | 2× | 2 | · | part |
| 4 | Track Tensioner | rotary-blasthole-drill-track-tensioner | 2× | 2 | · | part |