Description
Overview:
This genuine Husqvarna drive belt is a direct replacement for selected high‐performance disc cutters, including the K1250 and K650 Cut‐n‐Break. Made from a durable rubber compound engineered for heavy loads, heat, and abrasive dust, it transfers power from the engine to the cutting system to keep blade speed steady under load. The belt helps ensure smooth start‐up, reliable drive, and consistent cutting performance across demanding site conditions. Specified by Husqvarna for accurate fit and function, it supports the performance and longevity of the machine when installed and tensioned correctly. Identified by OEM No. 506 37 27-21, it is suitable for routine maintenance or a like‐for‐like replacement to restore efficiency on construction, demolition, and rail applications where the K1250‐RAIL variant is used.
Key Features:
- Genuine Husqvarna OEM belt (OEM No. 506 37 27-21) for correct fit and reliable power transfer
- Robust rubber compound designed to handle heat, dust, and heavy cutting loads
- Maintains consistent blade speed for clean, efficient cutting
- Helps reduce slippage and premature wear when correctly tensioned
- Straightforward replacement with standard tools to minimise downtime
- Compatible with K1250 series and K650 Cut‐n‐Break, including K1250‐RAIL
- Suitable for professional site work and regular maintenance schedules
- Resists glazing and surface cracking for longer service life
Typical Applications:
Used to drive Husqvarna disc cutters for cutting concrete, reinforced concrete, asphalt, masonry, and similar materials on construction and civil works. Also suited to rail cutting with the K1250‐RAIL variant. Ideal for maintenance teams, hire fleets, and trades who need dependable power transmission in tough, dusty environments where consistent blade speed and reliable engagement are essential.
Also known as:
Drive belt, power transmission belt, cutter drive belt, engine‐to‐blade belt, saw drive belt. These terms describe the same component that transfers engine output to the cutting system on compatible Husqvarna disc cutters.
Fits Models:
K1250
K1250 Rail
K1250-RAIL
K650 Cut-n-Break
Alternate Part Numbers:
506 37 27-21, 506372721, 506 37 27 21
Product Specifications
| L&S Part No. | 506 37 27 21 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 506372721 |
| Unit of Sale | 1 |
| Applications | K1250, K1250 Rail, K1250-RAIL, K650 Cut-n-Break |
| Machine Type | Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K1250 | K1250 Rail | K650 Cut-n-Break |
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