Sandvik / Tamrock
550 047 84a CYLINDER
Rock Drill Spare Part
| Part Number | 550 047 84a |
| Description | CYLINDER |
| Brand | Sandvik (Tamrock) |
| Assembly | Rock drill |
| Type | Rock Drill Spare Part |
Quick answer
550 047 84a (also written 55004784a, 550-047-84a, or 550.047.84a) is a Sandvik cylinder spare part used in the Rock drill assembly of the Sandvik DD320-40. Verified compatible with 8 Sandvik machine models including DD320-40, DD320S, DD321-40. Used in 1 drifter configuration (HLX5). 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: 55004784a, 550 047 84a, 550-047-84a.
Compatible machines
8
Drifter configurations
1
OEM cross-reference
550 047 84a
Reference image
Available
About Sandvik 550 047 84a CYLINDER
Engineered for the Sandvik DD320-40, this cylinder is part of the Rock drill 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 DD320-40 (DD320-40). 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
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.
