Multiquip 31110Z6L003 Flywheel Gx630

The Multiquip 31110Z6L003 is a genuine OEM Flywheel Gx630 designed for JWN24HTCSL/HSCSL series Whiteman ride-on power trowels. As a factory-sourced component, this flywheel meets the original design specifications for the GX630 engine installation, ensuring a correct fit without adaptation. DHS Equipment stocks this part to keep your trowel turning and your crew on schedule. Confirm your model code before ordering to ensure this is the right part for your machine.

Key Features

• Genuine OEM Engine Component — Sourced directly from Multiquip, this flywheel matches the original GX630 engine spec, ensuring correct mass, balance, and ignition timing geometry out of the box.
• Direct-Fit for GX630 Engine — Engineered to bolt directly onto the GX630 crankshaft with the correct taper, keyway alignment, and torque interface — no machining or shimming required.
• Confirmed Fitment for JWN24HTCSL/HSCSL — Verified OEM replacement for Whiteman JWN24HTCSL and HSCSL ride-on power trowel models.
• Maintains Engine Timing Accuracy — A correctly balanced flywheel keeps ignition timing consistent and engine vibration within spec, which directly affects blade speed control and finish quality on the slab.
• Prevents Crank Damage on Reinstall — Using the correct OEM flywheel eliminates the risk of improper seating that can damage the crankshaft taper — a costly repair on a production trowel.

The flywheel is a heavy rotating disc mounted to the engine crankshaft that stores rotational energy between power strokes, smoothing out the combustion pulses and keeping the engine running evenly at low speeds. On a ride-on power trowel, consistent engine output is critical — an unbalanced or damaged flywheel causes rough running, erratic blade speed, and excessive vibration that compromises surface finish. If the flywheel cracks, loses its keyway, or becomes damaged during a hard start, the engine will run roughly or fail to start entirely, taking the machine out of service until the component is replaced.

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.