Multiquip EM98043K Crankshaft Forge Assembly

The Multiquip EM98043K Crankshaft Forge Assembly is a genuine OEM component designed for Mayco cycloidal-driven concrete pumps, including the C30HDNI, C30HDNI Precision, C30HDNI Zenith, C30HDN, C30HDG, C30HDZ, and C30HDGA series. As a direct Multiquip OEM part, the EM98043K is manufactured to the same standards as the original component, ensuring a proper fit within the pump's drivetrain. Sourced directly through authorized distribution, this forged crankshaft assembly is the dependable choice for operators who need a verified, like-for-like replacement to restore full pump output.

Key Features

• Forged Construction: — Manufactured from forged steel for the strength and fatigue resistance required in the high-load cycloidal drive environment of a concrete pump.
• Genuine OEM Component: — Produced to Multiquip OEM specification, so the EM98043K matches the original assembly's dimensions, journals, and tolerances without adaptation.
• Broad C30 Series Compatibility: — Confirmed fitment across C30HDNI, C30HDNI Precision, C30HDNI Zenith, C30HDN, C30HDG, C30HDZ, and C30HDGA concrete pump models.
• Restores Full Pumping Capacity: — A worn or cracked crankshaft causes erratic piston stroke and reduced concrete output; replacing it with the correct forged assembly brings the pump back to rated delivery volume.
• Drivetrain Integrity: — Correct crankshaft geometry maintains proper bearing load distribution, protecting surrounding components such as connecting rods and main bearings from accelerated wear.

The crankshaft is the central rotating component of the concrete pump's cycloidal drive system, converting rotational power from the engine into the reciprocating motion that drives the pistons and moves concrete through the delivery line. In a Mayco C30-series pump, the crankshaft operates under continuous, high-load cycling, making forged construction essential for long service life. When the crankshaft develops cracks, excessive journal wear, or imbalance, the result is reduced stroke consistency, increased vibration, and ultimately pump failure — making timely replacement with a correct OEM part critical to restoring safe, dependable operation.

For fitment questions or to confirm this part is correct for your specific C30-series 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.