


Sandvik / Tamrock
550 663 14b Wiring instruction
DT820-SC
| Part Number | 550 663 14b |
| Description | Wiring instruction |
| Brand | Sandvik (Tamrock) |
| Assembly | Control box assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 663 14b (also written 55066314b, 550-663-14b, or 550.663.14b) is a Sandvik wiring instruction spare part used in the Control box assembly assembly of the Sandvik DT820-SC. Verified compatible with 2 Sandvik machine models including DS510-C, DT820-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: 55066314b, 550 663 14b, 550-663-14b.
Compatible machines
2
OEM cross-reference
550 663 14b
About Sandvik 550 663 14b Wiring instruction
An essential element of the Control box assembly in the Sandvik DT820-SC, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT820-SC (DT820-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.



