Multiquip 21048 STH/STX John Deere Only Throttle Bracket

The Multiquip 21048 STH/STX John Deere Only Throttle Bracket is a genuine OEM component designed for STX55J6 and STX55Y6 hydrostatic ride-on power trowels equipped with a John Deere engine. This bracket provides the structural mounting point that secures the throttle linkage in its correct operating position, ensuring precise engine speed control during finishing operations. DHS Equipment supplies this part direct as an authorized Multiquip OEM replacement, so you can be confident you are receiving the exact component specified for your machine. Confirm your model code — 21048 is engineered exclusively for John Deere-powered STX55 units and is not interchangeable with Honda, Kubota, or Yanmar-configured variants.

Key Features

• Genuine OEM Fitment Precision — Manufactured to Multiquip's original design tolerances, ensuring the throttle cable and linkage align correctly without adjustment or shimming.
• John Deere Engine Compatibility — Engineered exclusively for John Deere-powered configurations; the bracket geometry matches the JD engine mounting envelope on STX55-series trowels.
• Direct STX55J6 and STX55Y6 Application — Verified fitment for STX55J6 and STX55Y6 hydrostatic ride-on trowels; always cross-reference your model code before ordering.
• Throttle Response Integrity — A correctly mounted throttle bracket maintains consistent cable tension, allowing the operator to hold steady engine RPM throughout the finishing pass — critical for achieving a uniform surface.
• Durable Bracket Construction — Built to withstand the vibration and heat exposure typical of a running trowel engine compartment, resisting the fatigue and flex that can compromise throttle cable alignment over time.

The throttle bracket on an STX-series ride-on trowel serves as the fixed anchor point for the throttle cable and its associated linkage hardware. It holds the cable assembly in precise alignment relative to the engine's throttle body, translating operator input into consistent, repeatable engine speed changes. When this bracket is cracked, bent, or missing, the throttle cable loses its reference point — resulting in erratic RPM response, difficulty holding a set engine speed, or a throttle that sticks or fails to return to idle, all of which compromise both finishing quality and operator safety.

For fitment questions or to confirm this part is correct for your specific STX55 configuration, contact the DHS Equipment team before placing your order.

Part Details

Compatibility & Fitment

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.