The Multiquip 448000 Tensioner Idler Arm RT2001 is a genuine OEM component designed for the SP series pavement saws and flat saws, including models SP303526, SP303530, SP605720, SP605736, SP4, SP6457. As a direct OEM replacement, 448000 ensures correct geometry and pivot engagement with the drive belt system, maintaining the blade speed and cutting consistency these machines are built to deliver. Sourced directly through authorized Multiquip supply channels, this part is built to the same specification as the original component it replaces.
Key Features
- Genuine OEM Construction — Manufactured to the exact pivot geometry and arm length spec of the original, ensuring consistent belt contact angle and tension across the SP saw drive system.
- Direct Bolt-On Replacement — Matches the original mounting configuration on SP series pavement and flat saws, slotting into the existing bracket without rework or shimming.
- Broad SP Series Compatibility — Confirmed fitment across SP303516, SP303520, SP303526, SP303530, SP4, SP6457, SP605716, SP605720, SP605726, SP605730, and SP605736 models.
- Sustained Belt Tension — A correctly functioning idler arm keeps the drive belt properly loaded, preserving blade RPM consistency and preventing slippage under load during cut depth changes.
- Blade Drive Safety — A worn or failed tensioner arm allows belt slack, which can cause erratic blade speed or unexpected belt disengagement during operation — replacing it promptly keeps the drive system predictable and controlled.
The tensioner idler arm is the pivot component that applies and maintains pressure on the drive belt, keeping it properly engaged with the engine pulley and blade arbor at all times. When the arm wears at its pivot point or loses its spring-loaded preload position, belt tension drops and the drive belt begins to slip, causing inconsistent blade speed, premature belt wear, and reduced cutting performance. Replacing the idler arm with a correct OEM unit restores proper tension geometry and ensures the saw operates at its designed output.
Part Details
| Part Number | 448000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Tensioner Idler Arm RT2001 |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Pavement Saws | SP303526 |
| MQ Pavement Saws | SP303530 |
| MQ Pavement Saws | SP605720 |
| MQ Pavement Saws | SP605736 |
| MQ Pavement Saws | SP4 |
| MQ Pavement Saws | SP6457 |
| MQ Pavement Saws | SP303516 |
| MQ Pavement Saws | SP303520 |
| MQ Pavement Saws | SP605716 |
| MQ Pavement Saws | SP605726 |
| MQ Pavement Saws | SP605730 |
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.
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