The Multiquip 11379 Throttle Quadrant is a genuine OEM component designed for a wide range of Multiquip and Whiteman equipment, including STX55, HTX44, MQ62TK, and WRS5200 series machines. As an authentic OEM part, it meets the exact fit and function requirements of the original component, giving operators confidence that engine speed control will respond accurately under load. This part is a direct replacement for worn or damaged throttle quadrants across the supported model lineup, covering ride-on trowels, roller screeds, and trash pumps.
Key Features
- Genuine OEM Throttle Precision — Manufactured to the same specification as the original, ensuring the throttle quadrant engages and holds engine speed settings without slippage or play.
- Drop-In Hardware Match — Mounts using the existing bracket and hardware positions on supported machines, keeping the swap straightforward for field technicians.
- Broad Model Coverage — Fits STX55Y6, STX55J6, HTX44Y5, HTX44Y4, HTX44K5, HTX44K4, MQ62TK, WRSPUDF, WRS5200, and WRS5200DFPU, consolidating one part number across multiple equipment families.
- Consistent Throttle Position Under Vibration — A properly functioning throttle quadrant holds the set engine speed during operation; a worn unit can drift, causing inconsistent blade speed on trowels or uneven compaction on screeds.
- Engine Speed Safety Control — On ride-on trowels and screeds, the throttle quadrant is the operator's primary engine speed input; a secure, positive-locking quadrant is essential for controlled operation and safe shutdowns.
The throttle quadrant is the mechanical bracket and detent assembly that allows the operator to set and hold engine throttle position during machine operation. It locks the throttle cable at a chosen speed setting so the engine maintains consistent RPM without the operator holding continuous pressure on the control. When the quadrant wears out, becomes bent, or the detent mechanism fails, the throttle can slip out of position, causing the engine to surge, drop RPM unexpectedly, or become difficult to control — all of which directly affect the quality and safety of the work being performed.
For fitment questions or help confirming this part is correct for your machine, contact the DHS Equipment parts team with your model and serial number.
Part Details
| Part Number | 11379 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Throttle Quadrant |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STX55Y6 |
| Whiteman Ride-On Power Trowels | STX55J6 |
| Trash Pumps | MQ62TK |
| Ride-On Roller Screeds | WRSPUDF |
| Ride-On Roller Screeds | WRS5200 |
| Ride-On Roller Screeds | WRS5200DFPU |
| Whiteman Ride-On Power Trowels | HTX44Y5 |
| Whiteman Ride-On Power Trowels | HTX44Y4 |
| Whiteman Ride-On Power Trowels | HTX44K5 |
| Whiteman Ride-On Power Trowels | HTX44K4 |
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.
