The Husqvarna 587278801 Potentiometer is a genuine OEM component designed for the PG820RC and PG680RC floor grinders. As a direct factory replacement, this potentiometer delivers the precise resistance characteristics required for accurate speed control on these machines. DHS Equipment supplies this part to help keep your equipment running at full productivity. Cross-reference part number 587278801 against your parts diagram to confirm fitment before ordering.
Key Features
- OEM-Matched Resistance Tolerance — Manufactured to Husqvarna's exact electrical specification, ensuring the control signal output matches what the machine's drive system expects for smooth, accurate speed regulation.
- Drop-In Connector Fit — This potentiometer is engineered to connect directly to the existing wiring harness and mounting position on compatible machines, requiring no rework or adaptation.
- Compatible with PG820RC and PG680RC Floor Grinders — Confirmed fitment for both the PG820RC and PG680RC planetary floor grinders, covering a common range of professional surface preparation equipment.
- Restores Precise Speed Control — A worn or failed potentiometer causes erratic or unresponsive speed adjustment, which directly affects grinding consistency and surface finish quality. Replacing it restores reliable operator control.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction division, this component meets the same build standard as the original unit installed at the factory.
The potentiometer on a floor grinder acts as the operator's speed control interface, translating the position of the control dial or lever into an electrical signal that the machine's drive system uses to set motor speed. When this component wears or fails, the grinder may respond sluggishly, jump between speeds unpredictably, or lose speed control entirely — making precise surface preparation impossible. Replacing a faulty potentiometer with a correctly specced OEM unit restores full, proportional speed control and allows the operator to maintain consistent grinding pressure and finish across the floor.
Part Details
| Part Number | 587278801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Potentiometer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | PG820RC |
| Floor Grinder | PG680RC |
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.
