
Sandvik / Tamrock
770 149 77 Cylinder
DL321-7
| Part Number | 770 149 77 |
| Description | Cylinder |
| Brand | Sandvik (Tamrock) |
| Assembly | Components, Carrier Frame |
| Type | Drill Rig Spare Part |
Quick answer
770 149 77 (also written 77014977, 770-149-77, or 770.149.77) is a Sandvik cylinder spare part used in the Components, Carrier Frame assembly of the Sandvik DL321-7. Verified compatible with 1 Sandvik machine model including DL321-7. 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: 77014977, 770 149 77, 770-149-77.
Compatible machines
1
OEM cross-reference
770 149 77
About Sandvik 770 149 77 Cylinder
Engineered for the Sandvik DL321-7, this cylinder is part of the Components, Carrier Frame and provides precise hydraulic actuation under the heavy loads and harsh conditions of mining operations. Cylinder rebuild or replacement restores full force output and positional accuracy.
This is an OEM-compatible aftermarket replacement part for the Sandvik DL321-7 (DL321-7). 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
When should a hydraulic cylinder be rebuilt or replaced?
Rebuild or replace when you observe fluid leakage past seals, reduced force output, sluggish or inconsistent movement, visible scoring on the cylinder rod, or when the machine cannot maintain required feed pressure during drilling.


