Sandvik / Tamrock
550 859 07 Cylinder
DT621
| Part Number | 550 859 07 |
| Description | Cylinder |
| Brand | Sandvik (Tamrock) |
| Assembly | Cylinder Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 859 07 (also written 55085907, 550-859-07, or 550.859.07) is a Sandvik cylinder spare part used in the Cylinder Assembly assembly of the Sandvik DT621. Verified compatible with 1 Sandvik machine model including 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: 55085907, 550 859 07, 550-859-07.
Compatible machines
1
OEM cross-reference
550 859 07
About Sandvik 550 859 07 Cylinder
Engineered for the Sandvik DT621, this cylinder is part of the Cylinder Assembly 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 DT621 (DT621). 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.