The Wacker Neuson 5000174319 Engine Speed Control is a genuine OEM component designed for the RD27-100 and RD27-120 series tandem rollers, including both standard Hydrostatic Vibratory Roller configurations and models equipped with Traction Control. As a direct Wacker Neuson OEM part, the 5000174319 is manufactured to the exact specification required for these machines, ensuring a correct, trouble-free installation with no guesswork on fitment. This part covers an extensive range of RD27-series machine numbers, making it the go-to replacement for operators running RD27-100 or RD27-120 units across multiple build configurations.
Key Features
- Genuine OEM Throttle Accuracy — Manufactured to the precise calibration spec required for the RD27 hydrostatic drive system, so engine speed response stays consistent and predictable under load.
- Direct Swap for RD27 Series — Engineered as a drop-in replacement that connects to the existing throttle linkage and control circuit on RD27-100 and RD27-120 machines.
- Broad RD27 Coverage — Fits both the RD27-100 and RD27-120, including standard Hydrostatic Vibratory Roller builds and Traction Control-equipped variants across multiple production runs.
- Consistent Compaction Output — A properly functioning engine speed control holds the engine at the correct RPM for drum vibration frequency; a worn or failed unit leads to inconsistent compaction performance and uneven mat density on asphalt passes.
- Verified OEM Part Number — Cross-reference 5000174319 against your machine's serial number plate to confirm the correct replacement before installation.
The engine speed control on a tandem roller governs the throttle position and regulates engine RPM during operation, directly affecting drum vibration frequency and the machine's compaction output. On hydrostatic rollers like the RD27 series, maintaining stable engine speed is critical — if the control fails or drifts out of calibration, the operator loses consistent drum excitation force, which shows up as uneven compaction passes and poor surface finish on asphalt. Replacing a worn or faulty engine speed control restores the machine's ability to hold the correct operating RPM, keeping compaction output where it needs to be across the full width of the drums.
Part Details
| Part Number | 5000174319 |
|---|---|
| Old Part Number | 0174319 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Speed Control |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620510, 5000620508, 5000620393, 5000620512, 5200009322, 5000620395 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620511, 5000620509, 5000620394, 5000620513, 5200009323, 5000620396 |
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.
