Sandvik / Tamrock
551 744 12 Shaft
DD421-60C
Available — Request Quote| Part Number | 551 744 12 |
| Description | Shaft |
| Brand | Sandvik (Tamrock) |
| Assembly | Hub And Shaft |
| Type | Drill Rig Spare Part |
Quick answer
551 744 12 (also written 55174412 or 551-744-12) is a Sandvik shaft spare part used in the Hub And Shaft assembly of the Sandvik DX700. Verified compatible with 8 Sandvik machine models including DD421-60, DD421-60C, DD422i. 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: 55174412, 551 744 12, 551-744-12.
Compatible machines
8
OEM cross-reference
551 744 12
About Sandvik 551 744 12 Shaft
This shaft transmits rotational force within the Hub And Shaft of the Sandvik DX700. Precision-ground to tight tolerances, it ensures smooth power delivery and minimal vibration during drilling operations. Shaft wear can lead to misalignment and accelerated wear of connected bearings and gears.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). 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
What are signs of shaft wear in drilling machines?
Symptoms include increased vibration during operation, unusual noise from the drivetrain, visible wear marks or scoring on shaft surfaces, and difficulty maintaining proper alignment of connected components.