Sandvik / Tamrock
551 514 99a Cylinder tube assembly
DD321-40
| Part Number | 551 514 99a |
| Description | Cylinder tube assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | CYLINDER ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
551 514 99a (also written 55151499a, 551-514-99a, or 551.514.99a) is a Sandvik cylinder tube assembly spare part used in the CYLINDER ASSEMBLY assembly of the Sandvik DD320-40. Verified compatible with 3 Sandvik machine models including DD320-40, DD321-40, DT621. 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: 55151499a, 551 514 99a, 551-514-99a.
Compatible machines
3
OEM cross-reference
551 514 99a
About Sandvik 551 514 99a Cylinder tube assembly
This hydraulic cylinder is a core actuator component in the Sandvik DD320-40, operating within the CYLINDER ASSEMBLY. It converts hydraulic fluid pressure into linear mechanical force for positioning, clamping, or feed operations essential to the drilling process.
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.
