OEM number
Share the original part number and clear photos of all markings.

Real photograph of Sandvik-reference feed-cylinder seal kit 81794339.
Feed System
Seal and guide-component kit for feed-cylinder service. Confirm cylinder bore, rod diameter, stroke and seal-groove version.
Brand compatibility: Epiroc / Sandvik compatible systems
Typical response within 1 business day
Correct part. First time.
Share the original part number and clear photos of all markings.
Provide the equipment model, serial number and production year.
Confirm dimensions, thread, connectors and mounting points where applicable.
Tell us the application, environment and required delivery timeline.
Technical reference data
Published values describe the named reference. Final fitment is confirmed from the equipment model, serial number and interface details.
Part number references
4 published references are grouped on this page. Confirm the equipment model, serial number and interface before ordering.
| Part / model reference | Brand reference | Application | Reference detail | Source status | Inquiry |
|---|---|---|---|---|---|
| 81794339 | Sandvik reference | DX800 / DX780 / DX700 / DX680 / DC300 series | Feed-cylinder seal kit | Supplier listing | Request |
| 55033478 | Sandvik reference | DD321 lower feed cylinder | Seal kit | Public parts listing | Request |
| 56019710 | Sandvik reference | Selected Sandvik cylinders | Seal kit; cylinder number check required | Supplier listing | Request |
| 710540 | Sandvik reference | KL1200 feed cylinder | Seal kit | Supplier listing | Request |
Heavy Rig support
We cross-check the supplied identity and interface information.
Brand, condition, quantity, lead time and delivery scope are confirmed in writing.
Packing and shipping documents are coordinated through one Heavy Rig contact.
Request a quote
Send your target hole diameter, depth, rock type and timeline. Heavy Rig will help narrow the configuration.
Heavy Rig inquiry