Sandvik / Tamrock
551 591 39 STEP BOX
DD321-40
| Part Number | 551 591 39 |
| Description | STEP BOX |
| Brand | Sandvik (Tamrock) |
| Assembly | 10 |
| Type | Drill Rig Spare Part |
Quick answer
551 591 39 (also written 55159139, 551-591-39, or 551.591.39) is a Sandvik step box spare part used in the 10 assembly of the Sandvik DD321-40. Verified compatible with 4 Sandvik machine models including DD321-40, DD321-40C, DL421-7C. 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: 55159139, 551 591 39, 551-591-39.
Compatible machines
4
OEM cross-reference
551 591 39
About Sandvik 551 591 39 STEP BOX
An essential element of the 10 in the Sandvik DD321-40, 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 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.
