Description
Overview:
This is a genuine Husqvarna drive belt designed for the K650 Cut-n-Break disc cutter, OEM No. 506 34 74-21. It transfers engine power to the cutting system for steady, efficient blade speed under load. The belt is made from a durable, reinforced rubber compound engineered to handle heat, dust, and vibration in tough site conditions. Built to Husqvarna specifications, it provides the correct fit and alignment to minimise slip and maximise torque transfer. Suitable for regular servicing and repairs, it helps keep your Husqvarna K650 Cut-n-Break and 3120K operating reliably. Ideal for trades, hire fleets, and DIY users who need dependable performance from concrete, masonry, and construction cutting equipment.
Key Features:
- Genuine Husqvarna part for assured compatibility and quality (OEM No. 506 34 74-21)
- Reinforced rubber construction for long service life in demanding conditions
- Maintains consistent power transmission for accurate, efficient cutting
- Precise fit for specified models to reduce slip and belt wear
- Reliable under heat and dust typical of concrete and masonry work
- Smooth running to support blade speed stability and cleaner cuts
- Easy to fit with basic tools, helping to cut downtime
- Supports planned maintenance schedules and reduces unplanned stoppages
- Suitable for professional site use and regular DIY workloads
Typical Applications:
Routine replacement during maintenance of Husqvarna cutting equipment to restore drive efficiency. Used when belts show glazing, cracks, fraying, loss of tension, or slipping. Suitable for concrete and masonry cutting, construction and demolition jobs, landscaping tasks, road and paving works, and general site use where reliable disc cutter performance is required.
Also known as:
Husqvarna drive belt, cutter drive belt, K650 belt, power transmission belt, engine-to-blade belt, OEM 506347421, 506 34 74 21 belt. Commonly referred to as a replacement belt for Husqvarna Cut-n-Break machines.
Fits Models:
K650 Cut-n-Break, 3120K, 3120K EPA
Alternate Part Numbers:
506 34 74-21, 506347421, 506 34 74 21
Product Specifications
| L&S Part No. | 506 34 74 21 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 506347421 |
| Unit of Sale | 1 |
| Applications | 3120K, 3120K EPA, K650 Cut-n-Break |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | 3120K |
