


Sandvik / Tamrock
551 687 74a BLOCO DE SUPORTE
DD321-40
Available — Request Quote| Part Number | 551 687 74a |
| Description | BLOCO DE SUPORTE |
| Brand | Sandvik (Tamrock) |
| Assembly | Support, Rear |
| Type | Drill Rig Spare Part |
Quick answer
551 687 74a (also written 55168774a or 551-687-74a) is a Sandvik bloco de suporte spare part used in the Support, Rear assembly of the Sandvik DX700. Verified compatible with 12 Sandvik machine models including DD321-40, DD321-40C, DD421-60. 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: 55168774a, 551 687 74a, 551-687-74a.
Compatible machines
12
OEM cross-reference
551 687 74a
About Sandvik 551 687 74a BLOCO DE SUPORTE
An essential element of the Support, Rear in the Sandvik DX700, 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 DX700 (DX700). 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.