Sandvik / Tamrock
551 742 18b Hydraulic Cylinder, Double-acting
COMMANDO DC300Ri
| Part Number | 551 742 18b |
| Description | Hydraulic Cylinder, Double-acting |
| Brand | Sandvik (Tamrock) |
| Assembly | 08 |
| Type | Drill Rig Spare Part |
Quick answer
551 742 18b (also written 55174218b, 551-742-18b, or 551.742.18b) is a Sandvik hydraulic cylinder, double-acting spare part used in the 08 assembly of the Sandvik COMMANDO DC300Ri. Verified compatible with 1 Sandvik machine model including COMMANDO DC300Ri. 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: 55174218b, 551 742 18b, 551-742-18b.
Compatible machines
1
OEM cross-reference
551 742 18b
About Sandvik 551 742 18b Hydraulic Cylinder, Double-acting
This hydraulic cylinder is a core actuator component in the Sandvik COMMANDO DC300Ri, operating within the 08. 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 COMMANDO DC300Ri (COMMANDO DC300Ri). 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.
