The Multiquip 521011 V-Belt AX-39 is a genuine OEM drive belt designed for the SP605726, SP605730, SP605716, SP605720, and SP605736 Street Pro Series pavement saws. As a factory-sourced component, it matches the exact length, width, and cogged profile specified for these machines, ensuring proper power transfer from the engine to the blade drive system. DHS Equipment stocks this part to help crews get their saws back to full cutting capacity without guesswork on fitment.
Key Features
- Cogged AX-Profile Construction — The AX-39 cogged profile reduces heat buildup and flex fatigue compared to a standard wrapped belt, extending service life under the high-cycle demands of pavement cutting.
- Genuine OEM Specification — Sourced directly from Multiquip, this belt meets the exact tension rating and dimensional spec called out for the SP60 Street Pro Series saw drivetrain — no substitution sizing required.
- Direct Drivetrain Replacement — Drops into the existing belt drive system of compatible SP60 Series pavement saws, seating correctly on the engine and blade clutch pulleys without pulley or bracket modification.
- Compatible with Five SP60 Series Models — Confirmed fitment across SP605716, SP605720, SP605726, SP605730, and SP605736 pavement saws.
- Protects Blade Output Consistency — A worn or slipping drive belt causes blade speed to drop under load, leading to uneven cuts and excessive blade wear. A fresh 521011 belt restores consistent blade RPM at the cutting head.
- Blade Drive Safety Integrity — A cracked or glazed belt can fail mid-cut, creating an unexpected loss of blade engagement. Replacing on schedule with the correct OEM belt maintains predictable clutch and blade response.
The V-Belt AX-39 is the primary power transmission link between the engine output shaft and the blade drive assembly on Street Pro Series pavement saws. It transfers rotational force from the engine pulley to the blade clutch, maintaining consistent blade speed under the load demands of cutting asphalt and concrete. When the belt stretches, glazes, or develops cracks, the saw loses cutting torque, blade engagement becomes inconsistent, and in severe cases the belt can shed entirely — halting the cut and risking damage to adjacent drivetrain components.
For questions about this part or to confirm fitment for your specific machine, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 521011 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | V-Belt AX-39 |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Pavement Saws | SP605726 |
| MQ Pavement Saws | SP605730 |
| MQ Pavement Saws | SP605716 |
| MQ Pavement Saws | SP605720 |
| MQ Pavement Saws | SP605736 |
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.
