The Multiquip 509322780 Fan Boss MRT-6 is a genuine OEM component designed for the MRT-6 trench rammer. Sourced directly from Multiquip, this part meets the exact specifications required for correct fit and function on MRT-6 series equipment. Keeping the correct fan boss in place ensures the cooling fan operates at the right position and speed relative to the engine, supporting consistent performance through demanding compaction work.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original design tolerances, ensuring the fan boss engages the engine shaft and fan assembly with correct seating and rotational alignment.
- Direct-Fit Replacement — Engineered as a drop-in replacement for the MRT-6 trench rammer, installing in the same position and orientation as the original component.
- MRT-6 Fitment Confirmed — Verified compatible with the Multiquip MRT-6 trench rammer; part number 509322780 is the correct OEM reference for this machine.
- Maintains Proper Fan Operation — A correctly fitted fan boss holds the cooling fan at the designed position on the crankshaft, supporting stable airflow across the engine during operation.
- Supports Engine Longevity — A worn or damaged fan boss can cause fan wobble, reduced airflow, and accelerated engine wear; replacing it promptly keeps the cooling system working as intended.
The fan boss is the hub component that mounts the cooling fan to the engine crankshaft or flywheel, holding it securely in the correct rotational position. It acts as the mechanical interface between the rotating engine assembly and the fan blades, ensuring airflow is directed consistently over the engine to manage operating temperature. When a fan boss becomes cracked, worn, or loose, the fan can shift out of alignment, reducing cooling efficiency and potentially causing vibration or mechanical damage to surrounding components.
Part Details
| Part Number | 509322780 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Fan Boss MRT-6 |
Compatibility & Fitment
| Name | Model |
|---|---|
| MRT-6 | MRT-6 |
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.
