The Multiquip EM23409 Coupling is a genuine OEM Coupling designed for Mayco concrete pump models including C30HD, C30HDN, C30HDNI, C30HDG, C30HDZ, LS300, LS400, LS500, LS600, LS60TD, LS40D, LS40TD, and LS50TD. As a factory-authorized OEM component, this coupling is manufactured to the exact tolerances required by Multiquip for dependable power transmission within the pump drive system. Sourced directly through Multiquip's OEM supply chain, part number EM23409 ensures a direct, application-matched fit for the listed Mayco pump families. DHS Equipment supplies this part to help keep your concrete pump operating at full capacity with zero guesswork on compatibility.
Key Features
- OEM-Matched Drive Tolerance — Manufactured to the exact dimensional and torque specifications required for the Mayco concrete pump drive train, ensuring full power transfer without slippage or misalignment.
- Direct Application Fit — Engineered as a drop-in replacement for the coupling position in Mayco C-series and LS-series concrete pumps; installs into the existing drive assembly without modification to mating components.
- Broad Mayco Pump Compatibility — Confirmed fitment across C30HD, C30HDN, C30HDNI, C30HDG, C30HDZ, LS300, LS400, LS500, LS600, LS40D, LS40TD, LS50TD, and LS60TD models.
- Sustained Pumping Output — A correctly functioning coupling maintains consistent rotational drive between the engine and pump mechanism; a worn or failed coupling causes loss of pumping pressure and unplanned downtime on the pour.
- Genuine Multiquip OEM Part — Supplied under Multiquip's OEM parts program, part EM23409 meets the same build standard as the original component installed at the factory.
The coupling on a concrete pump transmits rotational power from the engine or motor to the pump's drive mechanism, connecting the two assemblies so that force is transferred smoothly and efficiently. It absorbs minor misalignment and vibration between the driver and driven components, protecting both the engine and the pump from stress-induced wear. When a coupling wears, cracks, or fails, the pump loses its ability to move concrete effectively — resulting in reduced output, erratic pressure, or complete loss of drive — making timely replacement critical to keeping pours on schedule.
Part Details
| Part Number | EM23409 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HD |
| Mayco Pumps | C30HDNI |
| Mayco Pumps | LS300 |
| Mayco Pumps | LS400 |
| Mayco Pumps | LS500 |
| Mayco Pumps | LS600 |
| Mayco Pumps | LS60TD |
| Mayco Pumps | LS40D |
| Mayco Pumps | LS40TD |
| Mayco Pumps | LS50TD |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
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.
