Multiquip EM26305 Grease Seal

The Multiquip EM26305 Grease Seal is a genuine OEM component designed for C30HD series concrete pumps, including the C30HD, C30HDNI, C30HDNI Precision, C30HDN, C30HDNI Zenith, C30HDG, C30HDZ, and C30HDGA models. As a factory-sourced part, EM26305 meets the original engineering specifications Multiquip built these cycloidal-drive concrete pumps around, ensuring a correct fit without modification. DHS Equipment supplies this seal direct, so you get the right part the first time and keep your pour schedule on track. Confirm your model code before ordering to ensure compatibility across the C30HD family.

Key Features

• Factory-Matched Sealing Material — Manufactured to the original compound and dimensional spec, delivering the same compression and retention characteristics as the seal that came out of the machine.
• Drop-In Replacement for C30HD Series — Engineered to seat directly into the original bore on C30HD, C30HDNI, C30HDNI Precision, C30HDN, C30HDNI Zenith, C30HDG, C30HDZ, and C30HDGA concrete pumps.
• Protects Bearings and Drive Components — A properly functioning grease seal keeps lubricant where it belongs and blocks concrete slurry, water, and abrasive debris from migrating into bearing housings and drive assemblies.
• Prevents Costly Bearing Failures — Seal wear is a leading cause of premature bearing damage on concrete pumps; replacing a worn seal at service intervals avoids far more expensive downstream repairs.
• Genuine Multiquip OEM Part — Sourced directly from Multiquip, part number EM26305 carries the same quality assurance as every other component in the C30HD production line.

A grease seal is a precision lip seal that sits at a rotating shaft or bore interface to contain lubrication grease within a bearing housing while preventing outside contaminants — water, concrete slurry, and fine aggregate — from entering. On cycloidal-drive concrete pumps like the C30HD series, the seal works under continuous rotational load and is exposed to a punishing mix of vibration and wet abrasive material. When the seal degrades or fails, grease escapes, contaminants invade the bearing cavity, and bearing wear accelerates rapidly — eventually leading to shaft damage and unplanned downtime. Replacing the EM26305 Grease Seal at the first sign of leakage or during scheduled maintenance keeps the drive system properly lubricated and extends the service life of surrounding components.

For questions about fitment or to confirm compatibility with your specific C30HD model, 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.