The Wacker Neuson Spring Governor is a genuine OEM component designed for the WP1540A, WP1550A, VP1340A, VP1550A, VP2050A, and WPU1550A series single-direction and reversible vibratory plates, along with select screed power sections, rollers, and internal vibrator models. As a factory-sourced part, this spring governor is manufactured to the exact tolerances and material specifications used in original production, ensuring consistent engine speed regulation across the full range of compatible machines. It fits a wide cross-section of Wacker Neuson compaction equipment, making it a practical stocking part for dealers, rental fleets, and service technicians who support multiple plate compactor models. Confirm your model number and serial number against the fitment list before ordering to ensure a direct match.
Key Features
- OEM Spring Tension Accuracy — Manufactured to the original spring rate specification, ensuring the governor opens and closes at the correct engine speed thresholds for stable RPM control.
- Direct Drop-In Installation — Engineered to the same mounting dimensions and hook geometry as the original, fitting into the governor assembly without alteration or shimming.
- Broad Vibratory Plate Coverage — Compatible with WP1540A, WP1550A, VP1340A, VP1550A, VP2050A, WPU1550A series and additional Wacker Neuson compaction and screed models — a single part number that spans a wide equipment fleet.
- Consistent Engine Speed Under Load — A correctly tensioned governor spring keeps engine RPM steady as compaction loads vary, preserving centrifugal force output and compaction depth performance.
- Genuine Wacker Neuson Part — Sourced directly through the Wacker Neuson OEM supply chain, carrying the part number 5000406658 for straightforward verification against your parts manual or service documentation.
The governor spring is a small but critical component in the engine's mechanical speed-governing system. It works against the centrifugal flyweights on the governor assembly to maintain a set engine speed — when the flyweights move outward under increasing RPM, the spring pulls back against them to regulate throttle position and stabilize output. On vibratory plate compactors, consistent engine speed is directly tied to exciter frequency and compaction force, so a stretched, fatigued, or broken governor spring will cause erratic RPM, loss of compaction performance, or engine hunting under load. Replacing a worn spring governor with a genuine OEM part restores the original tension curve and brings engine speed regulation back to the manufacturer's intended operating range.
Part Details
| Part Number | 5000406658 |
|---|---|
| Old Part Number | 0406658 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring Governor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009545, 5000009472, 5000630045 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009546, 5000630043, 5000009486 |
| WP1540A VIBROPLATE | WP1540A | 5000008061, 5000630017, 5000630046, 5100018330 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579, 5000630019, 5000630044, 5100018323 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054, 5100029057, 5100018345 |
| VP1340A VIBROPLATE | VP1340A | 5000009031, 5000630057, 5100029061, 5100018349 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062, 5100029053, 5100018361 |
| Single Direction Plate | VPH70 | 5000006907 |
| BPU2540A | BPU 2540A | 5000008758 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Modular Internal Vibrators | HD 3.7 | 5000006906 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| Single Direction Plates | AP1550A | 5000009539 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| HP50A | HP50A | 5000009508 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| BPU 2540A US | BPU 2540A US | 5000610360 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| HPG50A | HPG50A | 5000009509 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single Direction Plates | WP1550Aw | 5000630112, 5100016241 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| Single Direction Plates | WP1540Aw | 5000630106, 5100018329 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| WP1540Aw | WP1540Aw US | 5100018327 |
| VP1340Aw | VP1340Aw US | 5100029058, 5100018346 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| A5000/160 ISO | A5000/160 ISO | 5000610325 |
| A5000/160 ANSI | A5000/160 ANSI | 5000610340 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
| WP1550Aw | WP1550Aw US | 5100018324 |
| WP1540A | WP1540A US | 5100018328 |
| VP2050Aw | VP2050Aw US | 5100029050, 5100018358 |
| VP2050A | VP2050A US | 5100029051, 5100018359 |
| VP2050Aw | VP2050Aw | 5100029052, 5100018360 |
| VP1550Aw | VP1550Aw US | 5100029054, 5100018342 |
| VP1550A | VP1550A US | 5100029055, 5100018343 |
| VP1550Aw | VP1550Aw | 5100029056, 5100018344 |
| VP1340A | VP1340A US | 5100029059, 5100018347 |
| VP1340Aw | VP1340Aw | 5100029060, 5100018348, 5100026775 |
| VP1340Aw | VP1340Aw Loxam | 5100029062 |
| vibratory Plate | BPU2540A CN | 5100046522 |
| PT2A | PT2A | 5100058524, 5100058525 |
| HPG100A | HPG100A | 5000009507 |
| WP1550A | WP1550A US | 5100018325 |
| Vibration Plate | WP1550Aw CN | 5100039663 |
| Vibration Plate | VP2050Aw CN | 5100039664 |
| Vibration Plate | VP1340Aw CN | 5100039665 |
| Modular Internal Vibrators | D3.5A3 | 5100072402 |
| Modular Internal Vibrators | D3.5A2 | 5100072405 |
| BT24A | BT24A | 5100081469 |
| BT36A | BT36A | 5100081470 |
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.
