BK DRILLING
552 139 91 Ring Gear And Pinion Kit
Part Photo
55213991 552 139 91 Ring Gear And Pinion Kit - Sandvik Technical Drawing
Technical Drawing
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Sandvik / Tamrock

552 139 91 Ring Gear And Pinion Kit

DD321-40

Available — Request Quote
Part Number552 139 91
DescriptionRing Gear And Pinion Kit
BrandSandvik (Tamrock)
AssemblyDifferential Assembly (No Pinion & Ring Gear)
TypeDrill Rig Spare Part

Quick answer

552 139 91 (also written 55213991 or 552-139-91) is a Sandvik ring gear and pinion kit spare part used in the Differential Assembly (No Pinion & Ring Gear) assembly of the Sandvik DX700. Verified compatible with 21 Sandvik machine models including DD321-40, DD421-60, DD421-60C. 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: 55213991, 552 139 91, 552-139-91.

Compatible machines

21

OEM cross-reference

552 139 91

About Sandvik 552 139 91 Ring Gear And Pinion Kit

An essential element of the Differential Assembly (No Pinion & Ring Gear) in the Sandvik DX700, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.

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

Why use OEM-compatible parts for Sandvik drilling equipment?

OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.