The Multiquip CM20549 Middle Shaft CX40A is a genuine OEM component designed for the CX40A cycloidal-driven concrete pump. As a direct factory replacement, this part is manufactured to the exact specifications required by the CX40A, ensuring proper fit and function within the pump's drive system. DHS Equipment stocks this genuine Multiquip part so you can get your CX40A back to work without compromise.
Key Features
- Genuine OEM Construction — Manufactured to the exact dimensional and material tolerances required for the CX40A drive assembly, ensuring the shaft seats and rotates true under load.
- Direct CX40A Replacement — Engineered specifically for the CX40A concrete pump, this shaft drops into position within the existing drive train without secondary machining or fitting adjustments.
- CX40A Series Compatibility — Confirmed fitment for the Multiquip CX40A cycloidal concrete pump; verify your model code before ordering to ensure accuracy.
- Drive Train Integrity — A correctly functioning middle shaft transmits rotational force smoothly through the pump's cycloidal drive system; a worn or damaged shaft introduces vibration, misalignment, and accelerated wear on surrounding components.
- OEM Part Assurance — Sourced directly through authorized Multiquip supply channels, this is not a generic substitute — it carries the same part number and specification as the component originally installed at the factory.
The middle shaft is a core element of the CX40A's cycloidal drive system, transmitting rotational power between the engine-driven input and the pump's output mechanism. It works in close tolerance with surrounding bearings and housings, so any wear, bending, or surface degradation directly affects the smoothness and efficiency of the pump's operation. A failed or out-of-spec middle shaft can cause irregular pump output, increased mechanical noise, and accelerated wear on adjacent drive components — making timely replacement with the correct OEM part critical to keeping the CX40A running at full capacity.
Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number for assistance.
Part Details
| Part Number | CM20549 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Middle Shaft CX40A |
Compatibility & Fitment
| Name | Model |
|---|---|
| CX40A | CX40A |
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.
