Sandvik / Tamrock
551 691 13 Backing plate
DD321-40
| Part Number | 551 691 13 |
| Description | Backing plate |
| Brand | Sandvik (Tamrock) |
| Assembly | Mud guard assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 691 13 (also written 55169113, 551-691-13, or 551.691.13) is a Sandvik backing plate spare part used in the Mud guard assembly assembly of the Sandvik DD321-40. Verified compatible with 2 Sandvik machine models including DD321-40, DD321-40C. 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: 55169113, 551 691 13, 551-691-13.
Compatible machines
2
OEM cross-reference
551 691 13
About Sandvik 551 691 13 Backing plate
Part of the Mud guard assembly in the Sandvik DD321-40, this plate provides essential mounting, wear protection, or structural support. Regular inspection for wear, cracking, or deformation helps prevent unexpected equipment failure during 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.
