Description
Overview:
This genuine Husqvarna clutch assembly (OEM 503 74 44‐06) is a direct-fit centrifugal clutch for Husqvarna/Partner handheld power cutters, including the K750 and K760. Built from robust, wear-resistant steel with a heavy-duty spring mechanism, it transfers engine power smoothly to the cutting drive for consistent engagement under load. Designed to handle high temperatures and dust typically encountered on site, it supports reliable blade drive and controlled take-up to protect the engine and drivetrain. As a genuine part, it matches factory dimensions and specification for correct alignment, balance, and performance. Ideal for routine overhaul or to resolve slipping, dragging, or chatter, it helps restore cutting efficiency and extend the service life of your saw in demanding conditions.
Key Features:
- Genuine Husqvarna part for correct fit and factory performance
- Centrifugal design for smooth, progressive engagement under load
- Durable steel components for long service life in dusty, high-heat environments
- Maintains efficient power transfer to the blade drive
- Helps reduce belt and drivetrain stress by engaging at set RPM
- Direct replacement for OEM references 503 74 44‐06 and 503 74 44‐04
- Consistent engagement speed supports clean starts and controlled cutting
- Supplied to fit without modification to compatible saws
- Suitable for heavy site use by trades and regular maintenance by DIY users
- Supports quick installation to minimise downtime (follow model service manual)
Typical Applications:
Used on petrol cut-off saws for cutting concrete, masonry, brick, stone, asphalt, metal sections, and pipework. Common on civil engineering, landscaping, utilities, and demolition tasks, plus rescue variants where reliable take-up and drive are critical. Ideal when restoring performance after clutch wear, overheating, or contamination.
Also known as:
Centrifugal clutch assembly, clutch kit, engine clutch, blade drive clutch, drive clutch, clutch replacement for Husqvarna/Partner power cutters.
Fits Models:
K650 Cut-n-Break, K750, K760, K760 Cut-n-Break, K760 Cut-n-Break II, K760 II, K760 Rescue, K760II, K770, K770 Dry Cut, K770 OilGuard, K770 Rescue, K770 VAC, K770VAC
Alternate Part Numbers:
503 74 44-04, 503 74 44-06, 503744406, 503744404
Product Specifications
| L&S Part No. | 503 74 44 06 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503744406 |
| Unit of Sale | 1 |
| Applications | K650 Cut-n-Break, K750, K760, K760 Cut-n-Break, K760 Cut-n-Break II, K760 II, K760 Rescue, K760II, K770, K770 Dry Cut, K770 OilGuard, K770 Rescue, K770 VAC, K770VAC |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K750 | K760 | K770 | K650 Cut-n-Break | K760 Cut-n-Break | K760 RESCUE | K760 Cut-n-Break II | K760 II | K770 Dry Cut | K770 OilGuard | K770 Rescue | K770 SmartGuard | K770 VAC |
