Sandvik / Tamrock
550 427 29b CYLINDER
DL431-7C
| Part Number | 550 427 29b |
| Description | CYLINDER |
| Brand | Sandvik (Tamrock) |
| Assembly | RETAINING CENTRALIZER (PITO) |
| Type | Drill Rig Spare Part |
Quick answer
550 427 29b (also written 55042729b, 550-427-29b, or 550.427.29b) is a Sandvik cylinder spare part used in the RETAINING CENTRALIZER (PITO) assembly of the Sandvik DL431-7C. Verified compatible with 2 Sandvik machine models including DL310-7, DL431-7C. 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: 55042729b, 550 427 29b, 550-427-29b.
Compatible machines
2
OEM cross-reference
550 427 29b
About Sandvik 550 427 29b CYLINDER
Engineered for the Sandvik DL431-7C, this cylinder is part of the RETAINING CENTRALIZER (PITO) 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 DL431-7C (DL431-7C). 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.
