The Husqvarna 505155003 Rotor is a genuine OEM component designed for the DMS280 concrete core drill system. As a direct Husqvarna OEM part, it is manufactured to the exact specifications required for proper motor function and sustained drilling performance. This rotor is the correct replacement for the DMS280, and cross-referencing part number 505155003 against your parts diagram will confirm an exact match before installation. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM Motor Spec Accuracy — Wound and balanced to Husqvarna's exact electrical and mechanical tolerances for the DMS280 drill motor, ensuring correct output and efficient power transfer.
- Drop-In Motor Replacement — Engineered to seat and connect directly within the DMS280 motor housing, matching all mounting points and shaft dimensions without adaptation.
- DMS280 Fitment — Specifically designed for the DMS280 concrete core drill system, covering both the motor and stand combination in its standard configuration.
- Restored Drilling Performance — A worn or damaged rotor causes loss of motor power, overheating, and inconsistent RPM. Replacing it with this genuine OEM rotor restores consistent torque and smooth core drill operation.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction equipment parts program, this rotor meets the same build standard as the original component installed at the factory.
The rotor is the rotating core of the drill motor's electromagnetic assembly. It works in tandem with the stator to convert electrical energy into the rotational force that drives the drill spindle and diamond core bit through concrete and masonry. When the rotor wears, becomes damaged, or develops a fault in its windings, the motor loses power output, runs irregularly, or fails to start altogether — bringing core drilling operations to a halt. Replacing the rotor with a correctly specified OEM part restores full motor function and ensures the DMS280 performs as intended.
Part Details
| Part Number | 505155003 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Rotor |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Core Drill | DMS280 |
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.
