Description
Overview:
This replacement spring is designed for Husqvarna handheld disc cutters to restore reliable tension in the relevant mechanism and keep the machine operating smoothly. Made from durable spring steel, it resists fatigue under repeated cycling and is shaped for a precise fit in the intended assembly. Suitable for popular models such as the K650 and K760, it is also used across selected electric and petrol Husqvarna cutters in the same family. Identified by part number 506406001 (also written as 506 40 60 01), it is a practical choice during routine servicing or when an existing spring has weakened or broken. Straightforward to fit with basic tools, it helps maintain consistent performance and dependable control in demanding cutting work.
Key Features:
- Spring steel construction for strength and long service life
- Consistent tension to support smooth, predictable operation
- Direct-fit replacement referenced as 506406001 / 506 40 60 01
- Helps restore positive return and accurate control feel
- Suitable for preventive maintenance and repair tasks
- Designed to fit a range of Husqvarna K-series disc cutters
- Simple installation with no modification required
- Supports reliability in dusty, wet, and high-vibration conditions
Typical Applications:
Used during servicing and repairs of Husqvarna disc cutters where a coiled return/torsion spring is required. Common when refurbishing mechanisms that have lost tension through wear, corrosion, or damage, helping maintain safe guard movement, stable control inputs, and consistent cutting accuracy on site or in the workshop.
Also known as:
Torsion spring, return spring, tension spring, coil spring for disc cutter mechanisms, Husqvarna K-series spring, cutter mechanism spring.
Fits Models:
K3000, K3000 Cut-n-Break, K4000, K4000 Cut-n-Break, K650, K650 Cut-n-Break, K760, K760 Cut-n-Break, K760 Cut-n-Break II
Alternate Part Numbers:
506406001
Product Specifications
| L&S Part No. | 506 40 60 01 |
|---|---|
| Manufacturer | Husqvarna |
| OEM No. | 506406001 |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Key Features | - Made from durable spring steel for long service life - Direct-fit replacement for Husqvarna K-series disc cutters - Compatible with models K650, K760, K3000, K4000 - Part number 506406001 ensures precise fit - Simple installation with basic tools required |
| Fits Models | K4000 Cut-n-Break | K3000 Cut-n-Break | K650 Cut-n-Break | K760 Cut-n-Break | K760 Cut-n-Break II |

