The Wacker Neuson Throttle Adjustment Screw is a genuine OEM component designed for the RD12-90 Tandem Roller series, including both the Solid ROPS and Foldable ROPS configurations. As a direct OEM replacement, this screw is manufactured to the same tolerances and material specifications as the original part that left the factory, ensuring correct throttle calibration is restored without guesswork. It fits both the RD12-90 () Solid ROPS and RD12-90 () Foldable ROPS models, making it the right choice for operators running either variant on the jobsite.
Key Features
- OEM-Calibrated Thread Tolerancing — Manufactured to exact thread pitch and dimensional specs, ensuring the adjustment screw seats correctly and holds its set position without drift.
- Drop-In Replacement for RD12-90 Rollers — Installs directly into the throttle assembly on both Solid ROPS and Foldable ROPS variants of the RD12-90 series with no additional hardware needed.
- Dual-Configuration Fitment — Confirmed compatible with RD12-90 Solid ROPS (5000620059) and RD12-90 Foldable ROPS (5000620321) Tandem Rollers.
- Restored Throttle Response — A correctly functioning throttle adjustment screw allows the operator to set and maintain consistent engine speed, which directly affects compaction performance and pass consistency.
- Genuine Wacker Neuson Part — Sourced directly through authorized Wacker Neuson supply channels, so you receive the same part that was originally fitted — not an approximation.
The throttle adjustment screw controls the baseline throttle position on the roller's engine, allowing the operator to fine-tune idle speed and maximum throttle response. It acts as a mechanical stop or set point within the throttle linkage, and when it wears, loosens, or breaks, the engine may hunt at idle, fail to hold a consistent RPM, or not reach full operating speed — all of which compromise drum compaction output. Replacing this screw with the correct OEM part restores precise throttle control and ensures the machine performs as intended across its full operating range.
Part Details
| Part Number | 5000215205 |
|---|---|
| Old Part Number | 0215205 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Throttle Adjustment Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
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.
