The Multiquip EM163021 Sprocket ST30 45 is a genuine OEM replacement designed for the ST30 series swing tube concrete pump. As an authentic Multiquip part, it is manufactured to the same specifications as the original component, ensuring a direct, compatible installation on ST30 equipment. This sprocket is a critical drive component that keeps the pump's mechanical system operating in proper synchronization, and using the correct OEM part ensures you maintain the integrity of the drive assembly.
Key Features
- Genuine OEM Tooth Profile — Manufactured to the exact tooth geometry required for proper chain engagement on the ST30 concrete pump drive system, preventing chain skip and premature wear.
- Direct OEM Replacement — Drops into the ST30 drive assembly as a direct swap, maintaining correct chain alignment and tension without improvised fitting or shimming.
- Compatible with ST30 Concrete Pumps — Confirmed fitment for ST30 series swing tube concrete pumps, so you can order with confidence for that specific machine.
- Sustained Drive Efficiency — A correctly specified sprocket transfers power evenly through the drive chain, supporting consistent pump stroke cycles and output volume on the job.
- Wear-Matched Hardness — OEM sprocket material grade is matched to the original chain specification, helping the two components wear at a compatible rate and extending the service life of both.
A sprocket is a toothed wheel that meshes with a drive chain to transfer rotational power through the machine's mechanical drive system. On a swing tube concrete pump like the ST30, the sprocket plays a direct role in driving the pumping mechanism through its cycle. When a sprocket wears down or its teeth become damaged, the chain can slip, jump, or lose tension — leading to erratic pump strokes, reduced output, or a complete loss of drive. Replacing a worn sprocket promptly with the correct OEM part restores the mechanical link between the engine and the pumping action.
Part Details
| Part Number | EM163021 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Sprocket ST30 45 |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST30 | ST30 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
