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Sandvik / Tamrock
551 650 56b JUNCTION BOX ASSEMBLY
DD321-40
Available — Request Quote| Part Number | 551 650 56b |
| Description | JUNCTION BOX ASSEMBLY |
| Brand | Sandvik (Tamrock) |
| Assembly | ELECTRIC COMPONENT ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
551 650 56b (also written 55165056b or 551-650-56b) is a Sandvik junction box assembly spare part used in the ELECTRIC COMPONENT ASSEMBLY assembly of the Sandvik DD321-40. Verified compatible with 1 Sandvik machine model including DD321-40. 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: 55165056b, 551 650 56b, 551-650-56b.
Compatible machines
1
OEM cross-reference
551 650 56b
About Sandvik 551 650 56b JUNCTION BOX ASSEMBLY
This component is part of the ELECTRIC COMPONENT 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.

