Sandvik / Tamrock
551 742 22j PISTON Rod Welding
COMMANDO DC300Ri
| Part Number | 551 742 22j |
| Description | PISTON Rod Welding |
| Brand | Sandvik (Tamrock) |
| Assembly | Hydraulic Cylinder, Double-acting |
| Type | Drill Rig Spare Part |
Quick answer
551 742 22j (also written 55174222j, 551-742-22j, or 551.742.22j) is a Sandvik piston rod welding spare part used in the Hydraulic Cylinder, Double-acting 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: 55174222j, 551 742 22j, 551-742-22j.
Compatible machines
1
OEM cross-reference
551 742 22j
About Sandvik 551 742 22j PISTON Rod Welding
A critical hydraulic component in the Sandvik COMMANDO DC300Ri percussion mechanism, this piston converts hydraulic pressure into the powerful impact force needed for rock breaking. Located in the Hydraulic Cylinder, Double-acting, worn pistons cause reduced penetration rate, increased energy consumption, and decreased overall drilling efficiency.
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
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.
