The Husqvarna 586916501 Gear Box is a genuine OEM component designed for the FS4800, FS5000, FS6800, FS6600, FS7000, FS8400, and FS9900 floor saws. As a direct Husqvarna OEM part, this gear box is manufactured to the exact specifications of the original unit, ensuring a correct fit and full restoration of drivetrain performance. Cross-reference part number 586916501 against your parts diagram before ordering to confirm compatibility with your machine. DHS Equipment supplies this part to help keep your floor saw operating at full capacity.
Key Features
- OEM-Engineered Drivetrain Precision — Built to Husqvarna's exact gear geometry and torque-transfer specifications, this gear box delivers the same power transmission characteristics as the original factory unit.
- Direct-Mount Replacement — Engineered to match the original mounting interface, this component installs directly into the existing drivetrain assembly without modification to housings or fastener patterns.
- Broad FS Series Compatibility — Fits the FS4800, FS5000, FS6800, FS6600, FS7000, FS8400, and FS9900 walk-behind floor saws, covering the full range of Husqvarna's professional flat saw lineup.
- Restored Blade Drive Performance — A worn or damaged gear box causes loss of blade speed consistency, vibration, and accelerated wear on adjacent drivetrain components. Replacing it with this OEM unit restores smooth, consistent power transfer to the cutting head.
- Long-Term Structural Integrity — Manufactured from the same materials and to the same tolerances as the original, this gear box is built to withstand the sustained torque loads and harsh operating conditions typical of production concrete cutting.
The gear box on a walk-behind floor saw is the core mechanical link between the engine or motor and the diamond blade. It transfers and steps down rotational power, ensuring the blade receives the correct torque and speed for efficient concrete cutting. When the gear box wears, develops internal play, or fails outright, operators typically notice excessive vibration, inconsistent blade speed, unusual noise from the drivetrain, or a complete loss of blade drive — any of which can compromise cut quality and put added stress on surrounding components. Replacing the unit with a genuine OEM gear box restores the precise power transfer the machine was designed to deliver.
Part Details
| Part Number | 586916501 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Gear Box |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS4800 |
| Floor Saw | FS5000 |
| Floor Saw | FS6800 |
| Floor Saw | FS7000 |
| Floor Saw | FS8400 |
| Floor Saw | FS9900 |
| Floor Saw | FS6600 |
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.
