The Multiquip EY150WR1070 is a genuine OEM Robin 3.5 HP Engine designed for MQ-D305 and D306 diaphragm pumps. As a direct Multiquip OEM replacement, this engine is built to the same specifications as the original unit, ensuring correct mounting, shaft dimensions, and output characteristics for a straightforward installation. Sourced directly through Multiquip's authorized parts network, the part is the correct replacement when the original powerplant requires service or replacement. Confirm your model against MQ-D305 or D306 before ordering to ensure compatibility.
Key Features
- Genuine OEM Robin Power Output: — Delivers the correct 3.5 HP rating specified for diaphragm pump operation, maintaining the flow rates and pressure performance your pump was engineered to produce.
- Direct-Fit Replacement: — Engineered to match the original engine's mounting pattern and output shaft configuration on MQ-D305 and D306 diaphragm pumps, supporting a clean swap without fabrication.
- Verified Fitment: — Confirmed compatible with MQ-D305 and D306 series Multiquip diaphragm pumps — reference your model before ordering.
- Sustained Pump Performance: — A correctly functioning engine keeps diaphragm stroke rate consistent, maintaining fluid transfer capacity; a worn or underpowered engine causes reduced flow, pressure drop, and pump stalling.
- Authorized OEM Sourcing: — Supplied through Multiquip's authorized parts channel, giving you traceability back to the original equipment manufacturer and confidence in part authenticity.
The engine is the primary power source for a diaphragm pump, driving the eccentric mechanism that flexes the diaphragm back and forth to move fluid through the pump chamber. Without sufficient and consistent engine output, the diaphragm cannot maintain the stroke frequency required to sustain rated flow — leading to sluggish pumping, cavitation, or a complete inability to prime. When an engine reaches the end of its service life through wear, fuel system failure, or mechanical damage, replacing it with the correct OEM unit like the part restores the pump to its original rated performance.
For fitment questions or to verify compatibility with your specific unit, contact the DHS Equipment parts team before placing your order.
Part Details
| Part Number | EY150WR1070 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Robin 3.5 HP Engine |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Diaphragm Pumps | MQ-D305 |
| MQ Diaphragm Pumps | D306 |
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.
