The Husqvarna 539910210 Key 1/4 Square X 2 is a genuine OEM component designed for the SoffCut2500 early entry saw and PRO65G floor saw. As a direct Husqvarna OEM part, this key is manufactured to the exact dimensional tolerances required to maintain proper shaft and drive engagement on these machines. DHS Equipment supplies this part to help keep your equipment running at full capacity. Cross-reference part number 539910210 against your parts diagram to confirm fitment before ordering.
Key Features
- Exact OEM Dimensional Tolerance — Manufactured to Husqvarna's precise 1/4 square specification, ensuring correct engagement between shaft and mating components without slop or misalignment.
- Direct Drop-In Replacement — Machined to match the original key slot geometry, allowing straightforward installation into the SoffCut2500 and PRO65G without additional machining or fitting.
- Broad Saw Family Compatibility — Fits the SoffCut2500 early entry saw and PRO65G floor saw, covering two distinct Husqvarna cutting machine families in a single part number.
- Secure Power Transfer — A correctly sized drive key locks rotating components firmly to the shaft, preventing slippage under load and maintaining consistent blade speed and cutting performance.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction equipment line, this key meets the same material hardness and finish standards as the original production component.
A drive key is a small but critical component that seats in a machined slot between a shaft and a hub or pulley, preventing rotational slippage between the two. On saws like the SoffCut2500 and PRO65G, the key transmits torque from the drive shaft to the blade clutch or belt drive assembly, keeping power delivery consistent through the cut. A worn, sheared, or missing key allows the mating components to spin independently, resulting in lost drive, inconsistent blade engagement, or damage to the shaft and hub.
Part Details
| Part Number | 539910210 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Key 1/4 Square X 2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Early Entry Saw | SoffCut2500 |
| Floor Saw | PRO65G |
| Floor Saw | Pro65G |
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.
