The Multiquip EM80424 Drive Cylinder is a genuine OEM Drive Cylinder designed for the ST-45HRM concrete pump. Sourced directly from Multiquip, this part meets the original engineering specifications for the ST-45HRM swing tube concrete pump, ensuring correct fitment and consistent pumping performance. Choosing the OEM component means you are installing the same part the machine was built around — no guesswork, no adaptation.
Key Features
- Genuine OEM Construction — Manufactured to the original hydraulic tolerances required for the ST-45HRM drive system, maintaining the cylinder's rated stroke force and pressure capacity.
- Direct Drop-In Replacement — Engineered to match the original mounting dimensions, port locations, and stroke specifications of the ST-45HRM, allowing straightforward installation without custom machining.
- ST-45HRM Compatibility Confirmed — Verified fitment for the Multiquip ST-45HRM swing tube concrete pump, so you can order with confidence.
- Sustained Pumping Force — A correctly functioning Drive Cylinder delivers consistent hydraulic stroke pressure to push concrete through the line; a worn or failed cylinder results in reduced output, erratic pumping cycles, or complete pump stoppage.
- Pressure System Integrity — As a hydraulic component operating under sustained pressure, using an OEM-rated cylinder helps maintain safe, stable hydraulic system performance and prevents uncontrolled pressure loss.
The Drive Cylinder is a core hydraulic component in a swing tube concrete pump, responsible for converting hydraulic pressure into the linear force that drives concrete through the pumping circuit. Each stroke of the cylinder pushes a measured volume of concrete mix through the delivery line, so the cylinder must maintain consistent seal integrity and stroke length throughout operation. When the Drive Cylinder begins to fail — through seal wear, internal scoring, or pressure loss — the pump loses output consistency, concrete delivery becomes erratic, and continued operation risks broader hydraulic system damage.
DHS Equipment is an authorized Multiquip parts dealer. For fitment questions or help confirming compatibility, contact our parts team directly.
Part Details
| Part Number | EM80424 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Drive Cylinder |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
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.
