The Husqvarna 577709401 Control is a genuine OEM component designed for a wide range of Husqvarna Construction equipment, including WS220, WS440HF, and WS482HF wall saws, PP440HF, PP480HF, PP440, PP480, and PP492 power packs, and PG680RC and PG820RC floor grinders. As a direct Husqvarna OEM part, it meets the original design and performance specifications your equipment was built around. Cross-reference part number 577709401 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capability.
Key Features
- Genuine OEM Specification — Manufactured to Husqvarna's original design standards, ensuring correct electrical response, signal output, and interface compatibility for this control component.
- Direct Drop-In Replacement — Engineered to connect and mount exactly as the original, restoring proper operation without rework or adaptation to mounting points or wiring interfaces.
- Broad Equipment Compatibility — Fits WS220, WS440HF, and WS482HF wall saws; PP440HF, PP480HF, PP440, PP480, and PP492 power packs; and PG680RC and PG820RC floor grinders.
- Restored Operational Control — A functioning control unit is essential for operator command of speed, direction, or power delivery; a failed unit can render the machine inoperable or unpredictable.
- Operator Safety — Control components directly govern machine response to operator input; using a genuine OEM part ensures the machine behaves as designed and meets original safety performance requirements.
The Control is the operator-facing command interface that translates input signals into machine action — governing functions such as power delivery, speed regulation, or directional command depending on the host machine. On wall saws and power packs, a properly functioning control unit ensures the operator maintains accurate, responsive authority over cutting parameters. When this component fails or degrades, machine response can become erratic or cease entirely, halting work and creating potential safety concerns. Replacing it with a genuine OEM unit restores the precise signal handling the machine was originally engineered to deliver.
Part Details
| Part Number | 577709401 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Control |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS220 |
| Power Pack | PP440HF |
| Power Pack | PP480HF |
| Wall Saw | WS440HF |
| Wall Saw | WS482HF |
| Power Pack | PP480 |
| Floor Grinder | PG820RC |
| Floor Grinder | PG680RC |
| Power Pack | PP440 |
| Power Pack | PP492 |
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.
