The Multiquip EM963003 is a genuine OEM HHC Screw 1/4-20 x 3/4 designed for a wide range of Multiquip and Mayco equipment, including C30HDN, C30HDNI, C30HDG, C30HDZ, V303E, V304EH, V304ER, and V304EY series machines. As a factory-sourced fastener, EM963003 delivers the exact thread specification and head dimensions required by the original equipment design. Sourced directly through Multiquip's OEM supply chain, this screw ensures a consistent, dependable fit across every compatible model. DHS Equipment stocks genuine Multiquip parts so you can get the right fastener and get back to work without second-guessing compatibility.
Key Features
- Genuine OEM Thread Specification — Factory-correct 1/4-20 thread pitch and 3/4-inch length match the original fastener exactly, ensuring proper torque engagement and clamping force in the assembly.
- Hex Head Cap Construction — The hex head cap (HHC) profile provides full wrench engagement for secure installation and removal without rounding or stripping.
- Broad Series Compatibility — Fits C30HDN, C30HDNI, C30HDNI Precision, C30HDNI Zenith, C30HDG, C30HDZ Mayco concrete pump models and V303E, V304EH, V304ER, V304EY walk-behind roller models.
- Structural Integrity Where It Counts — A correctly spec'd fastener keeps covers, guards, and structural components firmly seated; an incorrect or worn screw can lead to loosening under vibration and potential component damage.
- Direct OEM Source — Supplied under the Multiquip OEM parts program, so the material grade and dimensional spec are identical to what was installed at the factory.
A hex head cap screw is a standard threaded fastener used throughout heavy equipment assemblies to join panels, brackets, guards, and mechanical components. The 1/4-20 designation refers to the thread diameter and thread count per inch, while the 3/4-inch length determines how deep the fastener engages the mating material. When a fastener is the wrong length, thread pitch, or material grade, it can back out under vibration, strip the receiving threads, or fail to develop the clamping load the assembly requires — any of which can allow critical components to shift or separate during operation. Using the correct OEM-spec screw like the EM963003 ensures that fastened joints hold their rated load and remain secure through the vibration and stress cycles typical of concrete pump and compaction roller use.
Part Details
| Part Number | EM963003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | HHC Screw 1/4-20 x 3/4 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI |
| Trash Pumps | MQ600TD80-TLRB |
| Trash Pumps | MQ600TD80-TLRP |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Zenith |
| Rollers | V304EH |
| Rollers | V304ER |
| Rollers | V304EY |
| Rollers | V303E |
| 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.
