The Multiquip 242923490 Lead Shaft Assembly (UM128) is a genuine OEM component designed for UM Series handheld concrete vibrators. This factory-sourced assembly ensures a true drop-in fit with no guesswork, keeping your vibrator operating at the output and frequency your work demands. As a direct Multiquip OEM part, it is produced to the same specifications as the original component installed at the factory, making it the most straightforward path to a complete, confident repair on UM Series equipment.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original design tolerances, ensuring the shaft delivers the correct rotational force and vibration transmission for consistent concrete consolidation.
- Direct Assembly Replacement — Supplied as a complete lead shaft assembly, so all internal components are matched and pre-aligned — no sourcing individual sub-parts separately.
- UM Series Compatibility — Confirmed fit for Multiquip UM Series handheld concrete vibrators; verify your model code before ordering to ensure application accuracy.
- Sustained Vibration Output — A correctly functioning lead shaft transmits vibration energy efficiently to the head; a worn or damaged shaft causes erratic frequency, inconsistent concrete consolidation, and accelerated wear on connected components.
- Sourced Through DHS Equipment — Available as an authorized Multiquip OEM part, so you receive the correct assembly with full confidence in its origin and compatibility.
The lead shaft assembly is the mechanical link between the vibrator's drive motor and the vibrating head. It transmits rotational energy down the length of the unit, converting it into the high-frequency vibration that consolidates fresh concrete by eliminating air pockets and voids. When the lead shaft wears, bends, or fails, vibration output drops or becomes uneven — resulting in poorly consolidated pours, potential structural deficiencies in the finished concrete, and added stress on the motor and head components.
Part Details
| Part Number | 242923490 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lead Shaft Assembly (UM128) |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hand-held Vibrator | UM-SERIES |
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.
