The Husqvarna 505838801 Torsion Spring Blade Block is a genuine OEM component designed for the Soff-Cut50 early entry saw. As a direct factory replacement, this part is manufactured to Husqvarna's exact specifications, ensuring correct tension, geometry, and fitment within the blade block assembly. DHS Equipment supplies this part to help keep your Soff-Cut50 operating at peak performance.
Key Features
- Genuine OEM Torsion Spec — manufactured to Husqvarna's exact spring-rate and geometry requirements, so the blade block receives consistent, calibrated tension on every cut.
- Drop-In Blade Block Fit — engineered to replace the original component without modification, matching the mounting points and travel range of the Soff-Cut50 blade block assembly.
- Soff-Cut50 Compatibility — purpose-built for the Soff-Cut50 early entry saw; cross-reference part number 505838801 against your parts diagram before ordering to confirm fitment.
- Consistent Blade Engagement — a correctly functioning torsion spring maintains proper blade block return force, supporting clean, controlled green-concrete cuts and consistent joint depth.
- Restored Blade Block Control — a worn or fatigued spring reduces blade block responsiveness, leading to inconsistent blade depth and potential surface defects; replacing it restores precise control.
The torsion spring in the blade block assembly stores and releases rotational energy to keep the blade block under controlled tension during operation. On an early entry saw like the Soff-Cut50, this tension is critical — it governs how consistently the blade engages the green concrete surface and returns to its neutral position between passes. When the spring weakens or breaks, the blade block loses its controlled action, which can result in erratic blade depth, rough joint edges, and accelerated wear on surrounding components.
Part Details
| Part Number | 505838801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Torsion Spring Blade Block |
Compatibility & Fitment
| Name | Model |
|---|---|
| Early Entry Saw | Soff-Cut50 |
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.