Multiquip 16011ZDJ851 Float Valve Set

The Multiquip 16011ZDJ851 Float Valve Set is a genuine OEM component designed for the MTR40HF trench rammer. Sourced directly from Multiquip, this float valve set ensures an exact match to the original carburetor specification on the GXR120 engine used in the MTR40HF series. Genuine OEM construction means every dimension, material, and tolerance meets the standard set at the factory — so you're not guessing on fit or function. If your MTR40HF is flooding, running rich, or failing to hold fuel level, this is the part to reach for.

Key Features

• Genuine OEM Fuel Control Precision — Manufactured to the exact carburetor specification for the GXR120 engine, ensuring the float and needle seat interact correctly for accurate fuel metering.
• Direct Carburetor Replacement — Designed to drop into the GXR120RTKRB6 carburetor assembly on the MTR40HF without modification or adaption to existing hardware.
• MTR40HF Trench Rammer Compatibility — Verified fitment for the MTR40HF, Multiquip's trench rammer platform built for compacting in tight excavations and narrow trenches.
• Restores Proper Fuel Bowl Level — A worn or damaged float valve allows fuel to overflow into the intake or starve the engine — replacing this set brings the carburetor back to correct operating behavior.
• Fuel System Integrity — A correctly seated float valve prevents uncontrolled fuel flow into the engine, protecting the carburetor and downstream components from fuel contamination damage.

The float valve set controls the level of fuel held inside the carburetor bowl. As fuel is consumed, the float drops, opening the valve to allow more fuel in — and as the bowl refills, the float rises and closes the valve. When the valve needle or seat wears out, fuel can overflow into the engine or be cut off entirely, causing flooding, hard starting, or erratic running. Replacing this set restores the carburetor's ability to maintain a consistent fuel supply and keeps the rammer running at its designed output.

Part Details

Compatibility & Fitment

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.