


Sandvik / Tamrock
331 784 01a SUPPORT LEFT
DD421-60C
| Part Number | 331 784 01a |
| Description | SUPPORT LEFT |
| Brand | Sandvik (Tamrock) |
| Assembly | Boom Assembly, Rear |
| Type | Drill Rig Spare Part |
Quick answer
331 784 01a (also written 33178401a, 331-784-01a, or 331.784.01a) is a Sandvik support left spare part used in the Boom Assembly, Rear assembly of the Sandvik DD421-60C. Verified compatible with 4 Sandvik machine models including DD421-60C, DT820, DT820-SC. 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: 33178401a, 331 784 01a, 331-784-01a.
Compatible machines
4
OEM cross-reference
331 784 01a
About Sandvik 331 784 01a SUPPORT LEFT
This component is part of the Boom Assembly, Rear assembly in the Sandvik DD421-60C. 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 DD421-60C (DD421-60C). 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.







