The Husqvarna 594895401 Coupler is a genuine OEM component designed for the HTC280 and PG280 floor grinders. Sourced directly from Husqvarna, this coupler delivers an exact factory fit with no guesswork on compatibility. Cross-reference part number 594895401 against your parts diagram to confirm the correct position before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Torque Transfer Integrity — manufactured to Husqvarna's exact dimensional and material specifications, ensuring the coupler transmits drive force without flex, slippage, or premature wear that off-spec alternatives can introduce.
- Drop-In Replacement Fit — engineered to the original interface dimensions, this coupler connects directly to the mating drive components without machining or adjustment.
- Confirmed Compatibility — fits the HTC280 and PG280 floor grinders, two of Husqvarna's widely used planetary grinding platforms in the surface preparation segment.
- Restored Drive Performance — a worn or damaged coupler causes vibration, uneven grinding head engagement, and accelerated wear on surrounding drive components; replacing it restores smooth, consistent power delivery to the grinding heads.
- Protects Adjacent Components — a correctly functioning coupler absorbs and transfers load evenly, reducing stress on the motor shaft and gear assembly and extending the service life of the broader drivetrain.
The coupler serves as the mechanical link between the motor drive and the grinding head assembly on Husqvarna floor grinders. It transfers rotational force from the power unit to the working heads while accommodating minor alignment variation between mating shafts. When a coupler wears out or fails, the result is lost drive engagement, erratic head rotation, or increased vibration that can damage the motor shaft and surrounding gearbox components — making timely replacement essential to maintaining consistent surface preparation results.
Part Details
| Part Number | 594895401 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Coupler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | HTC280 |
| Floor Grinder | PG280 |
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.
