Drawing not available
Sandvik / Tamrock
551 824 69d Cylinder Assembly
DD421-60C
Available — Request Quote| Part Number | 551 824 69d |
| Description | Cylinder Assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | Boom Assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 824 69d (also written 55182469d or 551-824-69d) is a Sandvik cylinder assembly spare part used in the Boom Assembly assembly of the Sandvik DD421-60C. Verified compatible with 2 Sandvik machine models including DD421-60C, DD422i-60C. 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: 55182469d, 551 824 69d, 551-824-69d.
Compatible machines
2
OEM cross-reference
551 824 69d
About Sandvik 551 824 69d Cylinder Assembly
This hydraulic cylinder is a core actuator component in the Sandvik DD421-60C, operating within the Boom 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 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
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.