


Sandvik / Tamrock
870 046 79 Transformer, Current
DD321-40C
| Part Number | 870 046 79 |
| Description | Transformer, Current |
| Brand | Sandvik (Tamrock) |
| Assembly | Electric Components Assembly |
| Type | Drill Rig Spare Part |
Quick answer
870 046 79 (also written 87004679, 870-046-79, or 870.046.79) is a Sandvik transformer, current spare part used in the Electric Components Assembly assembly of the Sandvik DX700. Verified compatible with 14 Sandvik machine models including DD321-40C, DD421-60, DD421-60C. 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: 87004679, 870 046 79, 870-046-79.
Compatible machines
14
OEM cross-reference
870 046 79
About Sandvik 870 046 79 Transformer, Current
This component is part of the Electric Components Assembly assembly in the Sandvik DX700. 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 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.









