


Sandvik / Tamrock
551 910 66 Module, PLC
DT821-SC
| Part Number | 551 910 66 |
| Description | Module, PLC |
| Brand | Sandvik (Tamrock) |
| Assembly | Junction Box Assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 910 66 (also written 55191066, 551-910-66, or 551.910.66) is a Sandvik module, plc spare part used in the Junction Box Assembly assembly of the Sandvik DT821-SC. Verified compatible with 1 Sandvik machine model including DT821-SC. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55191066, 551 910 66, 551-910-66.
Compatible machines
1
OEM cross-reference
551 910 66
About Sandvik 551 910 66 Module, PLC
This component is part of the Junction Box Assembly assembly in the Sandvik DT821-SC. Maintaining OEM-compatible replacement parts ensures reliable machine performance and minimizes downtime in demanding mining and drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT821-SC (DT821-SC). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.

