The Multiquip EM20791 Control Box is a genuine OEM replacement built for the C30HD concrete pump. As a direct OEM part, it is manufactured to the same specifications as the original component installed at the factory, ensuring full compatibility with your C30HD pump's electrical and operational systems. DHS Equipment supplies this part direct, so you can order with confidence knowing you're receiving an authentic Multiquip component backed by verified part number accuracy.
Key Features
- Genuine OEM Electrical Specification: — Manufactured to the original circuit and output ratings required by the C30HD concrete pump — no guesswork on compatibility with existing wiring harnesses or control circuits.
- Direct-Fit Replacement: — Designed to mount and connect exactly as the original unit, using existing hardware points and connectors on the C30HD.
- Confirmed C30HD Fitment: — Verified for Mayco C30HD concrete pump applications — match your model code before ordering to ensure correct fitment.
- Restores Full Pump Control Function: — A failed or damaged control box can render the pump inoperable or cause erratic behavior; installing this OEM unit restores proper command and response across all pump functions.
- Electrical Safety Compliance: — Using the correct OEM control box ensures the pump's electrical system operates within its designed parameters, reducing the risk of circuit faults, overloads, or unsafe operating conditions.
The control box serves as the nerve center of the concrete pump's electrical system, routing operator inputs to the pump's motor, hydraulic controls, and safety circuits. When the control box fails or becomes damaged, the pump may lose responsiveness, operate erratically, or shut down entirely — halting the pour and creating costly delays on site. Replacing it with the correct OEM unit restores full electrical integrity and ensures every switch, indicator, and safety interlock functions exactly as designed.
Part Details
| Part Number | EM20791 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Control Box |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HD |
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.
