Multiquip EM14306 Crankshaft Key

The Multiquip EM14306 Crankshaft Key is a genuine OEM component designed for C30HD series concrete pumps, including the C30HD, C30HDG, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDZ models. As a direct OEM replacement, this crankshaft key ensures correct angular alignment between the crankshaft and its mating components, maintaining the precise timing relationship the pump was engineered to deliver. Sourced directly through Multiquip's authorized parts network, part number EM14306 is the exact specification required for these Mayco concrete pump models. Keeping a genuine replacement on hand means your C30HD series pump is restored to full operating condition without guesswork.

Key Features

• Genuine OEM Specification: — Manufactured to the exact material hardness and dimensional tolerances required for crankshaft key applications in cycloidal concrete pump drives.
• Direct Drop-In Installation: — Machined to match the keyway geometry of C30HD series crankshafts, seating flush and locking components into their correct rotational position without modification.
• Broad C30HD Series Coverage: — Confirmed fitment across C30HD, C30HDG, C30HDGA, C30HDN, C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDZ pump models.
• Timing Integrity Maintained: — A properly fitted crankshaft key keeps the drive system in correct phase alignment, allowing the pump's cycloidal mechanism to deliver consistent output stroke and pressure.
• Critical Drive Safety: — A sheared or missing crankshaft key can cause immediate misalignment of rotating drive components, leading to mechanical damage and unsafe pump operation — using the correct OEM key prevents this risk.

The crankshaft key is a small but mechanically critical component that locks the crankshaft to a mating gear, pulley, or flywheel at a precise rotational angle. In a concrete pump, this alignment is essential — if the key shears or is incorrectly installed, the timing relationship between the crankshaft and the pump's cycloidal drive mechanism is lost, resulting in erratic output, internal impact loading, or complete drive failure. Replacing a worn or damaged crankshaft key with the correct OEM part restores the drive system to its designed operating condition and prevents cascading damage to surrounding components.

For fitment questions or to confirm compatibility with your specific C30HD series pump, contact the DHS Equipment parts team directly.

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.