Sandvik / Tamrock
770 158 78 Seat
DD321-40
| Part Number | 770 158 78 |
| Description | Seat |
| Brand | Sandvik (Tamrock) |
| Assembly | Seat Assembly |
| Type | Drill Rig Spare Part |
Quick answer
770 158 78 (also written 77015878, 770-158-78, or 770.158.78) is a Sandvik seat spare part used in the Seat Assembly assembly of the Sandvik DD321-40. Verified compatible with 6 Sandvik machine models including DD321-40, DD421-60C, DS421. 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: 77015878, 770 158 78, 770-158-78.
Compatible machines
6
OEM cross-reference
770 158 78
About Sandvik 770 158 78 Seat
This component is part of the Seat 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.
