The Multiquip EM145 is a genuine OEM Hex Bolt 1/4-20X11 designed for the C30HD concrete pump. As a factory-sourced fastener, the EM145 delivers the exact thread specification, head geometry, and tensile rating required to maintain secure, properly torqued connections throughout the machine. This bolt is a direct OEM replacement sourced through Multiquip's authorized parts program, ensuring full compatibility with C30HD equipment without the guesswork of cross-referencing aftermarket options.
Key Features
- Genuine OEM Fastener Spec: — Manufactured to Multiquip's exact 1/4-20 thread pitch and length specification, so torque values and clamping force match the original design intent of the C30HD.
- Drop-In Installation: — Matches the original bolt's head size, thread form, and shank length, threading directly into existing hardware without chasing threads or shimming.
- Confirmed C30HD Fitment: — Verified for use on the Mayco C30HD cycloidal concrete pump, so you can order with confidence.
- Structural Integrity Under Load: — A correctly specified fastener keeps critical assemblies clamped at the right preload; an underspec or worn bolt risks loosening under the vibration and pressure cycles of active concrete pumping.
- Corrosion-Resistant Construction: — Built to withstand the wet, abrasive environment of concrete pump worksites where exposure to slurry and moisture accelerates fastener wear.
A hex bolt may be one of the smallest components on a concrete pump, but it plays an essential role in holding panels, guards, and structural assemblies together under the continuous vibration and mechanical stress of pumping operations. The 1/4-20 thread specification defines both the thread pitch and diameter, which together determine how much clamping force the bolt can safely generate when torqued. Using an incorrect or worn fastener in these positions can result in loosened assemblies, misaligned covers, or accelerated wear on surrounding components — making an exact OEM replacement like the EM145 the straightforward choice when servicing your C30HD.
Need help confirming fitment or locating additional parts for your C30HD? Contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | EM145 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hex Bolt 1/4-20X11 |
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.
