The Multiquip EM517015 Engine Flange Stub Shaft is a genuine OEM component designed for Mayco concrete pump models C30HDG, C30HDZ, and C30HDGA. As an authentic Multiquip OEM part, it is manufactured to the exact tolerances required for proper power transfer between the engine and pump drive assembly on C30HD-series machines. Sourced directly through authorized Multiquip distribution, the EM517015 ensures a correct, confidence-inspiring installation with no guesswork on fitment.
Key Features
- Genuine OEM Precision Tolerancing — Machined to exact dimensional specs for the stub shaft interface, ensuring true concentricity and proper torque transfer at the engine flange connection.
- Direct-Fit for C30HD-Series Concrete Pumps — Engineered specifically for C30HDG, C30HDZ, and C30HDGA Mayco concrete pumps, dropping into the engine flange position without modification.
- Critical Drive Component — The stub shaft is the mechanical link between the engine output and the pump drive; a worn or damaged shaft causes vibration, misalignment, and loss of pumping capacity.
- Durable Construction — Built from materials selected to withstand the rotational stress and cyclic loading typical in continuous concrete pumping operations.
- Verified OEM Part Number — EM517015 is the confirmed Multiquip OEM reference for C30HDG, C30HDZ, and C30HDGA applications, eliminating the risk of ordering an incompatible component.
The engine flange stub shaft serves as the primary mechanical coupling point between the engine's output shaft and the concrete pump's drive system. It transmits rotational power from the engine into the pump mechanism, and its flange interface keeps the connection aligned and secure under load. When this shaft wears, cracks, or becomes damaged, the result is typically drivetrain vibration, loss of pumping pressure, or complete drive failure — making timely replacement essential to keeping a C30HD-series pump productive on the jobsite.
For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | EM517015 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Flange Stub Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HDGA |
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.
