The Multiquip 1111 Drain Plug Seat is a genuine OEM component designed for a wide range of Multiquip and Whiteman equipment, including C30HDN and C30HDNI series concrete pumps, JTO Series ride-on power trowels, and J36E2 walk-behind power trowels. As a direct OEM replacement, part 1111 is manufactured to the same specifications as the original, ensuring a consistent, leak-free seal every time the drain plug is serviced. This seat is a common service item across multiple machine families, making it a smart stocking part for contractors and rental fleets running Multiquip equipment.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material and dimensional spec, ensuring the drain plug seats flush and forms a proper fluid-tight seal without distortion or gap.
- Drop-In Service Replacement — Installs directly into the existing drain port on compatible machines, requiring no machining or modification to the housing.
- Broad Multiquip Fitment — Confirmed for C30HDN and C30HDNI concrete pumps, JTO Series ride-on trowels, J36E2 walk-behind trowels, and B Series international walk-behind trowels.
- Protects the Drain Port Housing — A worn or damaged drain plug seat can allow fluids to bypass the plug seal, leading to slow leaks that go undetected until oil or fluid loss causes operational issues.
- Fluid System Safety — Proper seating of the drain plug prevents unintended fluid loss from oil or hydraulic systems, which is critical to safe and correct machine operation.
The drain plug seat is the mating surface that the drain plug contacts when installed in a fluid reservoir or sump. It creates the sealing interface between the plug and the housing, preventing oil or other fluids from escaping around the plug threads. Over time, repeated removal and reinstallation of the drain plug can wear or deform this seat, compromising the seal and causing slow leaks that are difficult to trace. Replacing the seat at regular service intervals restores a clean, consistent seating surface and ensures the drain plug functions as intended.
DHS Equipment supplies genuine Multiquip OEM parts with fitment accuracy you can count on. Verify your model code before ordering, and contact our team if you need help confirming compatibility for part number 1111.
Part Details
| Part Number | 1111 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Drain Plug Seat |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDNI Zenith |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI |
| Whiteman Ride-On Power Trowels | JTO-SERIES |
| Whiteman Walk-Behind Power Trowels | J36E2 |
| International Walk-Behind Power Trowels | J SERIES CHINA |
| International Walk-Behind Power Trowels | B SERIES CHINA |
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.
