


Sandvik / Tamrock
550 476 56c Switch, Selector
DD321-40
| Part Number | 550 476 56c |
| Description | Switch, Selector |
| Brand | Sandvik (Tamrock) |
| Assembly | Electrical Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 476 56c (also written 55047656c, 550-476-56c, or 550.476.56c) is a Sandvik switch, selector spare part used in the Electrical Assembly assembly of the Sandvik DD321-40. Verified compatible with 4 Sandvik machine models including DD321-40, DD321-40C, DL432i. 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: 55047656c, 550 476 56c, 550-476-56c.
Compatible machines
4
OEM cross-reference
550 476 56c
About Sandvik 550 476 56c Switch, Selector
This component is part of the Electrical Assembly assembly in the Sandvik DD321-40. 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 DD321-40 (DD321-40). 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.







