The Husqvarna 574512201 Locking Nut is a genuine OEM component designed for the K1270R, K1260, and 3122K power cutters. As a factory-original part, it is manufactured to Husqvarna's exact specifications, ensuring a correct, secure fit with no guesswork. This Locking Nut is a direct match for the machines listed, making fitment verification straightforward — cross-reference part number 574512201 against your parts diagram to confirm compatibility. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Thread Integrity — manufactured to Husqvarna's exact torque and thread specifications, so the nut seats and locks exactly as the original did from the factory.
- Exact Hardware Match — this Locking Nut installs directly in place of the original with no reworking of mating components or fastener positions.
- Confirmed Fitment — designed for the K1270R, K1260, and 3122K power cutters, covering this family of high-capacity Husqvarna cutting equipment.
- Secure Retention Under Load — a correctly functioning locking nut keeps critical assemblies secured during high-vibration cutting operations, preventing loosening that could affect blade control or component alignment.
- Operational Safety — on power cutters, a failed or missing locking nut on a rotating assembly presents a direct safety risk; replacing it with a genuine OEM part restores the designed clamping force and retention reliability.
A locking nut serves as a fastener engineered to resist loosening under vibration and dynamic loads — conditions that are constant during power cutter operation. Unlike standard nuts, a locking nut uses a deformed thread, nylon insert, or prevailing-torque design to maintain clamping force even as the machine cycles through high-frequency cutting vibration. When a locking nut wears, strips, or goes missing, the assembly it secures can shift or come loose, leading to misalignment, component damage, or an unsafe condition on the cut. Replacing it with the correct OEM part restores the fastener's designed holding strength and keeps the machine operating as intended.
Part Details
| Part Number | 574512201 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Locking Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K1270R |
| Power Cutter | K1260 |
| Power Cutter | 3122K |
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.
