Multiquip EM513040 Adjustment Tensioner

The Multiquip EM513040 Adjustment Tensioner is a genuine OEM component designed for C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDN concrete pump models. As a factory-sourced part, it meets the same manufacturing standards as the original component installed at the factory, ensuring proper function within the drive system. This tensioner is a direct-fit replacement for the listed Mayco concrete pump models, with no modifications needed to install it in place of a worn or failed unit. If you are servicing a C30HDNI or C30HDN pump, verifying the part number EM513040 against your machine's parts manual before ordering is always recommended.

Key Features

• Genuine OEM Sourcing — Manufactured to the exact specification of the original tensioner, ensuring correct tension load and bracket alignment within the drive system.
• Direct-Fit Replacement — Mounts to the same attachment points as the factory unit, making installation straightforward on compatible C30HD-series concrete pumps.
• Broad C30HD Series Compatibility — Confirmed fitment across C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDN Mayco concrete pump models.
• Drive System Integrity — A correctly functioning adjustment tensioner maintains proper belt or drive tension, which is critical for consistent pump output and preventing premature wear on drive components.
• Authorized Multiquip Part — Sold through DHS Equipment as an authorized Multiquip OEM replacement, so you can be confident you are receiving a verified, current part.

The adjustment tensioner controls the tension applied to the belt or drive system within the concrete pump's power transmission assembly. When tension is set correctly, drive components operate smoothly, power transfers efficiently from the engine to the pump mechanism, and belt wear is kept to a minimum. When the tensioner becomes worn, damaged, or fails to hold proper adjustment, drive belts can slip or wear unevenly, leading to reduced pump performance and potential damage to surrounding drive components.

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.