Sandvik / Tamrock
551 728 08b Cylinder assembly
DI550
| Part Number | 551 728 08b |
| Description | Cylinder assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | CRADLE |
| Type | Drill Rig Spare Part |
Quick answer
551 728 08b (also written 55172808b, 551-728-08b, or 551.728.08b) is a Sandvik cylinder assembly spare part used in the CRADLE assembly of the Sandvik DI550. Verified compatible with 2 Sandvik machine models including DI550, LEOPARD DI550. 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: 55172808b, 551 728 08b, 551-728-08b.
Compatible machines
2
OEM cross-reference
551 728 08b
About Sandvik 551 728 08b Cylinder assembly
This hydraulic cylinder is a core actuator component in the Sandvik DI550, operating within the CRADLE. 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 DI550 (DI550). 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.