


Sandvik / Tamrock
770 081 60 O-ring
DD320-40
Available — Request Quote| Part Number | 770 081 60 |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | TRANSFER GEAR BOX |
| Type | Drill Rig Spare Part |
Quick answer
770 081 60 (also written 77008160 or 770-081-60) is a Sandvik o-ring spare part used in the TRANSFER GEAR BOX assembly of the Sandvik DD320-40. Verified compatible with 7 Sandvik machine models including DD320-40, DD320S, 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: 77008160, 770 081 60, 770-081-60.
Compatible machines
7
OEM cross-reference
770 081 60
About Sandvik 770 081 60 O-ring
A precision-molded sealing element for the Sandvik DD320-40, this O-ring is used in the TRANSFER GEAR BOX 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 DD320-40 (DD320-40). 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.


