The Multiquip 120281 Jackshaft Pivot Arm W/A is a genuine OEM assembly designed for SP4 flat saws and SP6457 pavement saws. This factory-direct component ensures the jackshaft pivots correctly within the drivetrain, maintaining proper blade engagement and belt tension across cutting operations. Sourced directly from Multiquip, the part is built to the same specification as the original part and installs as a direct replacement for worn or damaged units on compatible SP-series machines.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's exact dimensional and material tolerances for the jackshaft pivot assembly, ensuring consistent pivot geometry and drivetrain alignment.
- Complete W/A Assembly — Supplied as a full welded assembly, so all pivot components are pre-configured and ready to install as a single unit without sourcing individual sub-components.
- Confirmed SP-Series Fitment — Engineered specifically for SP4 flat saws and SP6457 pavement saws; verify your model code before ordering to ensure correct application.
- Drivetrain Integrity — A correctly functioning pivot arm keeps belt tension and blade engagement within spec; a worn or bent arm causes belt slippage, uneven cutting depth, and accelerated wear on surrounding drivetrain components.
- Structural Reliability — As a welded assembly, the W/A construction resists the flex and impact loads typical of pavement and flat-cut sawing applications, extending service life under demanding site conditions.
The jackshaft pivot arm is a structural drivetrain component that controls the position and movement of the jackshaft — the intermediate shaft that transfers power from the engine to the blade. By pivoting on a fixed axis, the arm allows the operator to engage and disengage the blade drive while maintaining correct belt alignment. When the pivot arm wears, bends, or fractures, belt tension becomes inconsistent, blade engagement degrades, and cutting performance suffers; left unaddressed, a failed pivot arm can accelerate wear on the jackshaft bearings and drive belts.
For fitment questions or to confirm this part is correct for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 120281 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Jackshaft Pivot Arm W/A |
Compatibility & Fitment
| Name | Model |
|---|---|
| Flat Saws | SP4 |
| MQ Pavement Saws | SP6457 |
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.
