HOLDER 3128 0784 38 / 3128078438 — Epiroc (Atlas Copco) Compatible
HOLDER is a high-strength aftermarket spare part fully compatible with Epiroc hydraulic drifters and rock drills. Precision CNC-machined to original-part tolerances. Contact us for stock and delivery on OEM number 3128 0784 38.
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HOLDER — OEM 3128 0784 38 / 3128078438
- OEM Number
- 3128 0784 38
- Also written as
- 3128078438
- Compatible Brand
- Epiroc
- OEM brand
- Epiroc (Atlas Copco)
- Part Type
- Machine
What the HOLDER does
Retainers, holders and locks keep components in their intended position against impact and vibration. They rarely carry the main working load, but everything they hold depends on them staying put.
Signs it needs replacing
- Movement or play in the component being retained
- Retainer found deformed, worn or displaced
- Wear at the seat or groove the retainer engages
- Secondary damage caused by a component that shifted position
Before you fit it
Fit a new retainer rather than reusing one that has been removed, and inspect its seat. A retainer that failed once against a worn seat will fail again.
General guidance for this class of component. Always work to the torque figures, clearances and service intervals in your machine's own manual.
About This Part
Which machines does HOLDER (OEM 3128 0784 38) fit?
It is used on Epiroc hydraulic rock drills and drifters. Models we already carry parts for: 1638+ ROCK DRILL (DRIFTER), 1838+ ROCK DRILL (DRIFTER), 1838HD+ ROCK DRILL (DRIFTER), 3060ME ROCK DRILL (DRIFTER), 3060MUX ROCK DRILL (DRIFTER), 4050MUX ROCK DRILL (DRIFTER). If yours is not listed, send us the OEM number and we will confirm the fit.
How should I write the OEM number?
This part number is written two ways: 3128 0784 38 (spaced) and 3128078438 (unspaced). Both refer to the same part, and the site search finds either spelling.
Is this an original Epiroc (Atlas Copco) part?
No. This is an aftermarket part manufactured by KY Rock Drill and CNC-machined to original-part tolerances. We are not affiliated with or an authorised dealer for Epiroc (Atlas Copco); the OEM number is quoted only to identify compatibility.



