Sandvik / Tamrock
551 812 86a VALVE ASSEMBLY
DI550
| Part Number | 551 812 86a |
| Description | VALVE ASSEMBLY |
| Brand | Sandvik (Tamrock) |
| Assembly | CONTROL BOX ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
551 812 86a (also written 55181286a, 551-812-86a, or 551.812.86a) is a Sandvik valve assembly spare part used in the CONTROL BOX ASSEMBLY assembly of the Sandvik DI550. Verified compatible with 2 Sandvik machine models including DI550, LEOPARD DI550. 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: 55181286a, 551 812 86a, 551-812-86a.
Compatible machines
2
OEM cross-reference
551 812 86a
About Sandvik 551 812 86a VALVE ASSEMBLY
This valve controls fluid flow and pressure within the hydraulic or pneumatic system of the Sandvik DI550. Part of the CONTROL BOX ASSEMBLY, it ensures precise regulation of drilling parameters including feed force, percussion frequency, and rotation speed.
This is an OEM-compatible aftermarket replacement part for the Sandvik DI550 (DI550). 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.