The Multiquip EM14846 Cam Rocker Arm is a genuine OEM component designed for C30HD series concrete pumps, including the C30HD, C30HDG, C30HDZ, C30HDGA, C30HDN, C30HDNI, and C30HDNI Precision and Zenith variants. As a direct OEM replacement, this part meets the original engineering specifications of your Mayco concrete pump, ensuring the valve train operates exactly as intended. Sourced directly through Multiquip's authorized parts supply chain, the part is the correct-fit solution when it's time to restore your pump's engine performance.
Key Features
- Genuine OEM Construction — Manufactured to the original geometry and material specification for the C30HD engine valve train, not an approximation.
- Direct Drop-In Replacement — Mounts to the existing rocker arm shaft and aligns with the camshaft lobe and valve stem without additional machining or fitting.
- Broad C30HD Series Compatibility — Confirmed fit across C30HD, C30HDG, C30HDZ, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith concrete pump models.
- Sustained Valve Timing Accuracy — A properly functioning rocker arm translates camshaft motion cleanly to the intake and exhaust valves, maintaining correct timing and full combustion efficiency in the pump engine.
- Wear-Resistance Where It Counts — The contact surfaces of this rocker arm are engineered to resist the repetitive, high-load pivoting action of the valve train, extending service intervals under heavy pumping cycles.
The cam rocker arm is a pivoting lever in the engine's valve train that transfers rotational motion from the camshaft into the linear motion needed to open and close the intake and exhaust valves. It acts as a mechanical link between the camshaft lobe and the valve stem, and its geometry directly controls how far and how precisely each valve opens. When a rocker arm wears at its pivot point or contact surfaces, valve timing degrades — leading to rough running, power loss, increased fuel consumption, and, if left unchecked, potential valve damage or engine failure. Replacing a worn rocker arm with the correct OEM part restores proper valve motion and keeps the engine running at the output level your concrete pump depends on.
For questions about fitment or to confirm compatibility with your specific machine, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | EM14846 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cam Rocker Arm |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HD |
| Mayco Pumps | C30HDGA |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDNI Zenith |
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.
