The Wacker Neuson Throttle Lever Assembly Ink Wire is a genuine OEM throttle lever assembly ink wire designed for the WPP 1540 and WPP/WPU 1550 series reversible vibratory plates, including WPP1540A, WPP1540W, WPP1550A, WPP1550W, WPU1550A, and WPU1550AW variants. As a direct genuine OEM component, part is manufactured to the original design specification, ensuring the throttle control operates exactly as intended from the factory. This assembly covers a wide range of WPP and WPU 1540/1550 series plate compactors, making it the correct choice whether you're servicing a standard, wide-track, or US-market machine. Keeping the throttle lever assembly in good working order is essential for maintaining consistent engine speed control and operator confidence on the job.
Key Features
- Genuine OEM Throttle Engagement Integrity — Manufactured by Wacker Neuson to the original design spec, ensuring the lever action, cable tension, and engagement feel match what the engine management system expects from this assembly.
- Direct-Fit Cable and Lever Integration — The ink wire and lever are supplied as a matched assembly, connecting directly to the existing throttle cable routing without splicing or adapting individual components.
- Broad WPP and WPU 1540/1550 Series Coverage — Compatible with WPP1540A, WPP1540W, WPP1550A, WPP1550W, WPU1550A, WPU1550AW, and their wide-track and US-spec variants across multiple serial number ranges.
- Consistent Engine Speed Control — A correctly functioning throttle lever assembly allows the operator to hold steady RPM through variable compaction loads, which is critical for achieving uniform compaction depth.
- Fuel System Safety Relevance — A worn or sticking throttle assembly can cause uncontrolled engine speed changes or prevent the engine from returning to idle, creating a genuine safety and fuel-management concern on a live worksite.
The throttle lever assembly controls the amount of fuel delivered to the engine by setting and holding the throttle position via a connected cable and wire. On vibratory plate compactors like the WPP and WPU series, the operator relies on this assembly to dial in the correct engine speed for the compaction task at hand — too low and the plate loses compactive force, too high and the machine becomes difficult to control. When the lever, cable anchor, or ink wire inside the assembly wears, stretches, or breaks, the throttle position becomes inconsistent or unresponsive, directly affecting both compaction quality and operator safety.
Part Details
| Part Number | 5000400348 |
|---|---|
| Old Part Number | 0400348 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Throttle Lever Assembly Ink Wire |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550A | WPP1550A | 5000630029 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
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.
