Sandvik / Tamrock
866 811 59 O-ring
Rock Drill Spare Part
| Part Number | 866 811 59 |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Power extractor |
| Type | Rock Drill Spare Part |
Quick answer
866 811 59 (also written 86681159, 866-811-59, or 866.811.59) is a Sandvik o-ring spare part used in the Power extractor assembly of the Sandvik RANGER 600-2. Verified compatible with 2 Sandvik machine models including DT1330i, RANGER 600-2. Used in 4 drifter configurations (HFX5T, HL600, HLX5). 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: 86681159, 866 811 59, 866-811-59.
Compatible machines
2
Drifter configurations
4
OEM cross-reference
866 811 59
About Sandvik 866 811 59 O-ring
A precision-molded sealing element for the Sandvik RANGER 600-2, this O-ring is used in the Power extractor to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
This is an OEM-compatible aftermarket replacement part for the Sandvik RANGER 600-2 (RANGER 600-2). 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 do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.
