The Multiquip EM98043 Forged Crankshaft is a genuine OEM component designed for the C30HDGA, C30HDZ, C30HDG, C30HDN, C30HDNI, and C30HDNI Precision and Zenith variants of the Mayco cycloidal-drive concrete pump series. As a direct OEM replacement, EM98043 is produced to the exact material and dimensional standards of the original part, ensuring a correct installation without adaptation. DHS Equipment stocks this part to keep your concrete pump operating at full output capacity with confidence in the repair.
Key Features
- Forged Construction: — Drop-forged steel delivers superior grain structure and fatigue resistance compared to cast alternatives, critical for a crankshaft subjected to continuous cycloidal pump loading.
- Genuine OEM Specification: — Manufactured to Multiquip's exact tolerances for journal diameter, stroke geometry, and surface finish, ensuring proper bearing seating and oil film integrity throughout the crank assembly.
- Direct-Fit Replacement: — Engineered to drop into C30HD-series pump housings using the same mounting interfaces as the original, supporting a straightforward swap during scheduled overhaul or emergency repair.
- Broad C30HD Series Coverage: — A single part number covers the C30HDGA, C30HDZ, C30HDG, C30HDN, C30HDNI, C30HDNI Precision, and C30HDNI Zenith concrete pump models.
- Sustained Pump Output: — A sound crankshaft maintains consistent stroke timing in the cycloidal drive; a worn or cracked crank causes irregular piston motion, pressure loss, and accelerated wear on connecting rods and bearings.
The crankshaft is the central rotating component of the concrete pump's cycloidal drive system, converting rotational engine power into the reciprocating motion that drives the pumping pistons. In a C30HD-series Mayco pump, it must handle high cyclic stress and sustained operating loads with minimal flex or deflection to maintain consistent concrete displacement per stroke. When a crankshaft develops cracks, excessive journal wear, or dimensional distortion, the result is uneven piston travel, reduced output pressure, increased vibration, and rapid deterioration of surrounding drivetrain components.
Contact DHS Equipment to confirm fitment for your specific C30HD-series unit or to check current availability of part number EM98043.
Part Details
| Part Number | EM98043 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Forged Crankshaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDGA |
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDNI |
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.
Multiquip