Sandvik / Tamrock
550 955 45 Guide Ring, PISTON Rod
DD320-40
| Part Number | 550 955 45 |
| Description | Guide Ring, PISTON Rod |
| Brand | Sandvik (Tamrock) |
| Assembly | Hydraulic Cylinder, Double-acting |
| Type | Drill Rig Spare Part |
Compatibility
Machine Models
Quick answer
550 955 45 (also written 55095545, 550-955-45, or 550.955.45) is a Sandvik guide ring, piston rod spare part used in the Hydraulic Cylinder, Double-acting assembly of the Sandvik DD320-40. Verified compatible with 36 Sandvik machine models including COMMANDO DC300Ri, DD320-40, DD321-40. 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: 55095545, 550 955 45, 550-955-45.
Compatible machines
36
OEM cross-reference
550 955 45
About Sandvik 550 955 45 Guide Ring, PISTON Rod
This piston is a key element of the Hydraulic Cylinder, Double-acting in the Sandvik DD320-40. It operates under extreme cyclic loading and high-pressure hydraulic conditions. Maintaining OEM-specification pistons ensures optimal percussion energy transfer and maximizes rock-breaking performance.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD320-40 (DD320-40). 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
How does a worn piston affect drilling performance?
A worn piston reduces percussion energy transfer, decreasing penetration rate and increasing the time and energy required to drill each hole. This directly impacts productivity and operating costs in mining operations.
