Rotary Drive Unit
AssemblyHigh-torque motor with swashplate hydraulic pump or planetary gearbox, rotating drill pipe 50–200 rpm, rated for thousands of foot-pounds torque. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Rotary Drive Unit
4 top-level lines as of r83857| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hydraulic Rotary Motor | horizontal-directional-drill-rotary-motor | 1× | 1 | · | part |
| 2 | Rotary Gearbox | horizontal-directional-drill-rotary-gearbox | 1× | 1 | · | part |
| 3 | Pipe Grip Chuck | horizontal-directional-drill-rotary-chuck | 1× | 1 | · | part |
| 4 | Thrust Bearing Housing | horizontal-directional-drill-rotary-bearing-housing | 1× | 1 | · | part |