The Husqvarna 525402202 Spindle Shaft Assembly is a genuine OEM replacement designed for the DM230 concrete core drill. Sourced directly from Husqvarna, this assembly meets the original engineering specifications for the DM230, ensuring a precise match to the machine's drive system. DHS Equipment supplies this part to help keep your core drilling operations running at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's original tolerances for the spindle drive system, ensuring correct shaft geometry, thread engagement, and torque transmission — no guesswork on dimensional compatibility.
- Direct Assembly Replacement — The complete assembly format means all shaft components are pre-matched, allowing the unit to drop into the DM230 drive system without sourcing individual sub-components.
- DM230 Core Drill Fitment — Engineered specifically for the DM230 concrete core drill, cross-reference part number 525402202 against your parts diagram to confirm application before ordering.
- Restored Drive Integrity — A worn or damaged spindle shaft causes loss of concentricity in the drill bit, leading to oversized bores, bit binding, and accelerated wear on the motor and stand. Replacing this assembly restores true, aligned power transfer to the core bit.
The spindle shaft assembly is the central rotating component that transfers power from the drill motor to the core bit. It carries the drill bit arbor and maintains the axial alignment critical for clean, accurate core holes in concrete. When the spindle shaft wears or sustains damage — through impact, overloading, or extended use — concentricity is lost, causing the bit to run out of true, which increases stress on the motor, degrades hole quality, and can result in bit seizure. Replacing the assembly with a genuine OEM unit like this one restores proper alignment and smooth power delivery throughout the drilling cycle.
Part Details
| Part Number | 525402202 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Spindle Shaft Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Core Drill | DM230 |
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.