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Sandvik / Tamrock
550 997 48d Cylinder Assembly
DD321-40
Available — Request Quote| Part Number | 550 997 48d |
| Description | Cylinder Assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | Catalog, Cylinder |
| Type | Drill Rig Spare Part |
Quick answer
550 997 48d (also written 55099748d or 550-997-48d) is a Sandvik cylinder assembly spare part used in the Catalog, Cylinder assembly of the Sandvik DD321-40. Verified compatible with 1 Sandvik machine model including DD321-40. 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: 55099748d, 550 997 48d, 550-997-48d.
Compatible machines
1
OEM cross-reference
550 997 48d
About Sandvik 550 997 48d Cylinder Assembly
Engineered for the Sandvik DD321-40, this cylinder is part of the Catalog, Cylinder 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 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
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.