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Sandvik / Tamrock
551 587 31a Motor Assembly, Hydraulic
Rock Drill Spare Part
Available — Request Quote| Part Number | 551 587 31a |
| Description | Motor Assembly, Hydraulic |
| Brand | Sandvik (Tamrock) |
| Assembly | Rock Drill |
| Type | Rock Drill Spare Part |
Quick answer
551 587 31a (also written 55158731a or 551-587-31a) is a Sandvik motor assembly, hydraulic spare part used in the Rock Drill assembly of the Sandvik DT821-C. Verified compatible with 5 Sandvik machine models including DD421-60C, DT821, DT821-C. Used in 3 drifter configurations (HLX5, RD520, RD525). 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: 55158731a, 551 587 31a, 551-587-31a.
Compatible machines
5
Drifter configurations
3
OEM cross-reference
551 587 31a
About Sandvik 551 587 31a Motor Assembly, Hydraulic
A critical power source within the Rock Drill of the Sandvik DT821-C, this motor converts energy into mechanical motion for drilling operations. Proper motor maintenance, including regular fluid changes and seal inspection, ensures maximum equipment uptime and efficiency.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT821-C (DT821-C). 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.




