The Husqvarna 531113169 Worm Gear With Commutating Valve 50:1 is a genuine OEM component designed for the WS462, WS460, and WS463 wall saws. This precision assembly governs the blade head's rotational positioning and hydraulic valve sequencing, making it a critical part of accurate, controlled wall saw operation. As a direct Husqvarna OEM part, it is manufactured to the exact specifications required for these track-mounted wall saws, ensuring a correct mechanical interface with no adaptation needed. DHS Equipment supplies this part to help keep your wall saw performing at full capability.
Key Features
- OEM-Matched Gear Ratio — Manufactured at the exact 50:1 worm gear ratio specified by Husqvarna, preserving the precise blade head positioning these wall saws depend on for accurate, repeatable cuts.
- Integrated Commutating Valve — Combines the worm gear and commutating valve into a single matched assembly, ensuring correct hydraulic sequencing and mechanical engagement without mismatched components.
- Direct-Fit Replacement — Built to the same dimensions and interface specs as the original unit, this assembly installs into WS462, WS460, and WS463 wall saws using existing mounting points and hydraulic connections.
- Restored Blade Head Control — A worn or damaged worm gear assembly causes imprecise head rotation and erratic hydraulic response; replacing it with this OEM unit restores smooth, accurate blade head movement and consistent cutting depth.
- Hydraulic System Integrity — The commutating valve component directs hydraulic flow at the correct timing; a failed valve can lead to uncontrolled head movement or loss of drive pressure, making timely replacement essential for safe wall saw operation.
The worm gear in a wall saw blade head assembly converts the motor's rotational input into the controlled, low-speed movement needed to position the blade head precisely on the track. The 50:1 ratio means a high degree of mechanical advantage, allowing fine, stable adjustments under load. The commutating valve works in tandem with this gear to direct hydraulic flow at the correct point in the rotation cycle, coordinating blade drive and head positioning. When either component wears or fails, the blade head may drift, respond sluggishly, or lose controlled movement altogether — compromising cut accuracy and creating potential safety concerns on the wall saw. Replacing this combined assembly with part number this part restores the full mechanical and hydraulic function of the blade head system.
Part Details
| Part Number | 531113169 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Worm Gear With Commutating Valve 50:1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS462 |
| Wall Saw | WS460 |
| Wall Saw | WS463 |
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.
