Multiquip EM14334 Compensator Spring

The Multiquip EM14334 Compensator Spring is a genuine OEM component designed for the Mayco C30HD series concrete pumps, including C30HDG, C30HDZ, C30HD, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith models. As a direct OEM replacement, the part is manufactured to the original engineering specification, ensuring correct tension, dimensional accuracy, and service life in the pump's hydraulic compensation circuit. DHS Equipment supplies this part backed by Multiquip's OEM supply chain, so you can order with confidence that the part you receive will match what came out of your machine.

Key Features

• Correct Spring Rate for Hydraulic Compensation: — Engineered to the original tension specification, ensuring the compensator circuit responds accurately under pumping load without over- or under-pressure conditions.
• Genuine OEM Construction: — Sourced directly through Multiquip's OEM supply chain, this spring meets the same material grade and coil geometry as the original factory component.
• Drop-In Replacement: — Dimensionally identical to the original, the EM14334 seats and secures in the compensator assembly the same way as the part it replaces, with no reworking of surrounding components.
• Broad C30HD Series Coverage: — Confirmed fitment across C30HDG, C30HDZ, C30HD, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith variants of the Mayco concrete pump line.
• Sustained Output Stability: — A correctly functioning compensator spring maintains consistent hydraulic pressure balance during continuous pumping cycles, helping the machine deliver steady concrete flow without surging or stalling.

The compensator spring is a critical component within the hydraulic compensation system of the Mayco C30HD series concrete pump. It applies calibrated resistance to the compensator valve, allowing the pump's hydraulic circuit to modulate pressure in response to changing load demands during operation. When this spring weakens, takes a set, or fails, the compensation circuit loses its ability to regulate pressure accurately — resulting in erratic output, pressure spikes, or reduced pumping performance that can affect pour consistency and strain other hydraulic components. Replacing a worn compensator spring with the correct OEM part restores the pressure balance the system was engineered to maintain.

For questions about fitment or to confirm compatibility with your specific unit, contact the DHS Equipment parts team for assistance.

Part Details

Compatibility & Fitment

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.