The Wacker Neuson Throttle Return Spring is a genuine OEM component designed for PDT2A, PDT3A, and PDI3A series machines. As a direct Wacker Neuson OEM part, is manufactured to the exact specifications required for correct throttle operation on these models. This spring seats and connects exactly as the original, requiring no adaptation to install. Confirmed fitment covers the PDT2A, PDT3A, and PDI3A series, so you can order with confidence knowing this is the right part for the job.
Key Features
- OEM Spring Tension Accuracy — Genuine Wacker Neuson construction ensures the spring delivers the correct return force for consistent throttle response, preventing sluggish or erratic lever behavior.
- Drop-In Installation — Engineered to seat in the original mounting position with no reworking of the throttle linkage or surrounding components.
- Confirmed Series Fitment — Directly compatible with PDT2A, PDT3A, and PDI3A series machines; cross-reference part number 5100056840 against your model before ordering.
- Restores Full Throttle Control — A worn or broken throttle return spring causes the throttle to stick or fail to return to idle, disrupting machine control and output; this part restores proper function immediately.
- Fuel System Safety Relevance — A correctly tensioned throttle return spring ensures the engine returns to idle when the operator releases the throttle, which is a critical operational safeguard on compaction and internal vibration equipment.
The throttle return spring is a small but critical component in the throttle linkage assembly. Its job is to pull the throttle lever or cable back to the idle position the moment the operator releases pressure — ensuring the engine does not remain at elevated RPM unintentionally. When this spring fatigues, loses tension, or breaks entirely, the throttle can stick in a partially open or fully open position, making the machine difficult to control and creating a potential runaway condition. Replacing a worn throttle return spring promptly keeps the throttle mechanism responding correctly and the machine behaving as intended.
Part Details
| Part Number | 5100056840 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Throttle Return Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769 |
| PDT3A | PDT3A | 5000620773 |
| PDI3A | PDI3A | 5000620775 |
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.
Wacker Neuson