The Multiquip 3L41C9044A Engine ST45 is a genuine OEM engine designed for the ST45 concrete pump. As a direct OEM replacement, this engine is sourced to the same specifications as the original unit, ensuring the ST45 operates exactly as it left the factory floor. DHS Equipment supplies this part as an authorized Multiquip OEM component, giving you confidence in fitment and quality from the moment it arrives.
Key Features
- Genuine OEM Engine Assembly — Manufactured to the same output and torque specifications as the original ST45 powerplant, ensuring consistent drive performance for the concrete pump's cycloidal or swing-tube system.
- Direct Drop-In Fitment for ST45 — Engineered specifically for the ST45 concrete pump, with matching mount points and connections that align with the original installation layout.
- ST45 Series Compatibility — Confirmed fit for ST45 equipment; use model code ST45 to cross-reference your machine before ordering.
- Sustained Pumping Power — A properly functioning engine keeps concrete moving at the correct pressure and volume; a worn or seized engine halts pour operations entirely and risks material loss mid-placement.
- Fuel System and Ignition Integrity — OEM sourcing ensures fuel delivery components, ignition timing, and throttle response are matched to the ST45's hydraulic and pump load demands — critical for safe, controlled concrete placement.
The engine on the ST45 concrete pump serves as the sole power source for driving the pump mechanism that moves mixed concrete through the delivery line. Without a correctly specified engine, the pump cannot generate the pressure and flow rate needed to place concrete accurately or at height. A failing engine on a concrete pump typically presents as loss of output pressure, erratic cycling, or complete shutdown — any of which can compromise a pour in progress and create costly delays on site.
For questions about this part or to confirm fitment for your specific ST45 unit, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 3L41C9044A |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine ST45 |
Compatibility & Fitment
| Name | Model |
|---|---|
| ST45 | ST45 |
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.