The Husqvarna 505535901 Spindle is a genuine OEM component designed for the DM406 concrete core drill. Sourced directly from Husqvarna, this spindle meets the original engineering specifications for the DM406, ensuring the interface between the drill motor and core bit is restored to proper working condition. DHS Equipment supplies this part to help keep your equipment running at full capability. Cross-reference part number 505535901 against your parts diagram to confirm fitment before ordering.
Key Features
- Genuine OEM Tolerancing — machined to Husqvarna's original dimensional specifications, ensuring the rotational interface and thread engagement match the DM406's design exactly.
- Direct Installation Fit — this spindle connects directly to the DM406 drill motor output using the original mounting configuration, requiring no rework or adaptation.
- DM406 Core Drill Compatibility — engineered specifically for the DM406 concrete core drill, eliminating the guesswork of cross-compatibility with non-OEM components.
- Restored Drilling Accuracy — a correctly seated spindle maintains true core bit alignment through the full drilling cycle, preserving hole geometry and bit longevity.
- Structural Integrity Under Load — the spindle transmits full rotational torque from the motor to the bit; using an OEM part ensures the material grade and thread form handle the sustained loads concrete core drilling demands.
The spindle is the central rotating shaft that transfers torque from the DM406 drill motor to the core bit, acting as the mechanical link between power source and cutting tool. It must maintain precise axial alignment and a secure thread interface under the continuous lateral and axial forces generated during core drilling in concrete. When a spindle wears or becomes damaged, the result is bit wobble, loss of hole accuracy, accelerated bit wear, and potential damage to the motor output — making prompt replacement with a correctly specified OEM part essential to restoring full drill performance.
Part Details
| Part Number | 505535901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Spindle |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Core Drill | DM406 |
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.
