BK DRILLING
55168773 551 687 73 551-687-73 Shaft Assembly
Representative Photo
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Technical Drawing

Sandvik / Tamrock

551 687 73 Shaft Assembly

DD421-60C

Available — Request Quote
Part Number551 687 73
DescriptionShaft Assembly
BrandSandvik (Tamrock)
AssemblyCable Reel
TypeDrill Rig Spare Part

Compatibility

Machine Models

Quick answer

551 687 73 (also written 55168773, 551-687-73, or 551.687.73) is a Sandvik shaft assembly spare part used in the Cable Reel assembly of the Sandvik DD421-60C. Verified compatible with 2 Sandvik machine models including DD421-60C, DT721. 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: 55168773, 551 687 73, 551-687-73.

Compatible machines

2

OEM cross-reference

551 687 73

About Sandvik 551 687 73 Shaft Assembly

An essential drivetrain component in the Sandvik DD421-60C, this shaft serves the Cable Reel by reliably transferring torque and rotational motion. Manufactured from high-strength alloy steel, it withstands the continuous mechanical stress of mining and drilling applications.

This is an OEM-compatible aftermarket replacement part for the Sandvik DD421-60C (DD421-60C). 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.