BK DRILLING
550 945 56a PISTON
Part Photo
55094556a 550 945 56a PISTON - Sandvik Technical Drawing
Technical Drawing
Click to enlarge

Sandvik / Tamrock

550 945 56a PISTON

DI550

Available — Request Quote
Part Number550 945 56a
DescriptionPISTON
BrandSandvik (Tamrock)
AssemblyCYLINDER ASSEMBLY
TypeDrill Rig Spare Part

Quick answer

550 945 56a (also written 55094556a or 550-945-56a) is a Sandvik piston spare part used in the CYLINDER ASSEMBLY assembly of the Sandvik DT820. Verified compatible with 9 Sandvik machine models including DI550, DL431-7C, DS410. 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: 55094556a, 550 945 56a, 550-945-56a.

Compatible machines

9

OEM cross-reference

550 945 56a

About Sandvik 550 945 56a PISTON

This piston is a key element of the CYLINDER ASSEMBLY in the Sandvik DT820. 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 DT820 (DT820). 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.