The Husqvarna 542199584 Blade Shaft is a genuine OEM replacement designed for the FS8400D floor saw. Sourced directly from Husqvarna's construction equipment line, this component is manufactured to the exact tolerances required for proper blade mounting and transmission of cutting power. DHS Equipment supplies this part to help keep your floor saw running at full capacity. Cross-reference part number 542199584 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's exacting dimensional tolerances, ensuring the shaft interfaces correctly with blade flanges, bearings, and drive components specific to the FS8400D.
- Direct Drop-In Replacement — Engineered to match the original shaft geometry, so reinstallation follows the standard service procedure with no improvised fitting or adaptation.
- FS8400D Floor Saw Compatibility — Confirmed fitment for the FS8400D walk-behind floor saw, a heavy-duty slab-cutting machine where shaft integrity is critical to blade control and cutting depth consistency.
- Restored Cutting Power Transfer — A sound blade shaft transmits full rotational force from the drive system to the diamond blade. A worn or damaged shaft introduces runout, vibration, and loss of cutting efficiency.
- Operational Safety Assurance — The blade shaft is a load-bearing component under significant rotational stress. Using a correctly rated OEM shaft maintains the structural integrity that keeps the blade assembly secure during operation.
The blade shaft is the central rotating component that connects the machine's drive system to the cutting blade, transmitting torque while maintaining precise blade alignment. On a floor saw like the FS8400D, where blades operate under high load cutting concrete and asphalt, the shaft must hold exact concentricity — any wear, bending, or surface damage causes blade wobble, accelerated bearing wear, and inconsistent cut depth. Replacing a compromised shaft with a genuine OEM unit restores the tight tolerances the drive assembly depends on for smooth, controlled cutting performance.
Part Details
| Part Number | 542199584 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Blade Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS8400D |
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.