The Multiquip 2856 Float Chamber Sub Assembly is a genuine OEM component designed for the B46S90 series walk-behind power trowel. As an original Multiquip part, it meets the exact specifications required by the carburetor system on this machine, ensuring correct fuel metering and consistent engine operation. If you're servicing or rebuilding the carburetor on a B46S90, part number 2856 is the direct OEM replacement to restore proper function.
Key Features
- Genuine OEM Carburetor Component — Manufactured to the original specification for the float circuit, ensuring correct fuel level control within the carburetor bowl.
- Direct-Fit for B46S90 Trowels — Engineered specifically for the Whiteman B46S90 walk-behind power trowel carburetor assembly; installs without modification.
- Restores Proper Fuel Metering — A worn or damaged float chamber disrupts the air-fuel mixture, causing rough running, stalling, or flooding; this sub assembly brings the system back to correct operating condition.
- Complete Sub Assembly — Supplied as a ready-to-install sub assembly, simplifying the rebuild process and reducing the number of individual parts to source separately.
- Fuel System Integrity — Correct float chamber fitment is essential for preventing fuel leaks at the carburetor, supporting safe operation of gas-powered trowel equipment.
The float chamber sub assembly is a key part of the carburetor's fuel delivery system. It houses the float mechanism that regulates how much fuel enters the carburetor bowl, maintaining the correct fuel level for a consistent air-fuel mixture. When the float chamber cracks, warps, or the internal components wear out, the engine may flood, starve for fuel, run erratically, or leak fuel — all of which take a trowel out of service until the component is replaced.
Part Details
| Part Number | 2856 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Float Chamber Sub Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Walk-Behind Power Trowels | B46S90 |
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.