The Wacker Neuson 5000094909 is a genuine OEM Decompression Lever designed for the RD7H series walk-behind tandem rollers and the DPU4045H, DPU4545H, DPU5045H, DPU5545H, DPU6055, and DPU6555 series diesel reversible vibratory plate compactors. As a factory-sourced component, part 5000094909 matches the exact geometry, lever travel, and spring tension specified for these engines at the time of manufacture. Fitment spans a wide range of RD7H variants — including the RD7H-S, RD7H-ES, RD7He, and RD7Hf — as well as the full DPU heavy-duty plate compactor lineup across North American, EU, and export configurations. Replacing a worn or broken decompression lever promptly restores reliable cold-start performance and prevents unnecessary stress on the starter mechanism and engine components.
Key Features
- Genuine OEM Lever Geometry — Sourced directly from Wacker Neuson, this lever matches the exact pivot angle and release-point calibration required for correct decompression valve operation on these engines.
- Drop-In Engine Fitment — Engineered to the original mounting specifications, this part installs directly onto the engine cylinder head without rework or shimming.
- Broad Series Coverage — Confirmed fit across RD7H tandem roller variants and the DPU4045H through DPU6555 diesel reversible plate compactor families, covering a wide range of machine configurations and market regions.
- Protects Starter System on Cold Starts — A functioning decompression lever temporarily reduces cylinder compression during cranking, lowering the load on the recoil or electric starter and extending starter component life.
- Fuel System and Start-Cycle Safety — Correct decompression lever operation ensures the engine fires within the intended number of crank cycles, preventing fuel flooding and reducing unburned fuel accumulation in the cylinder.
The decompression lever is a small but critical engine starting aid found on diesel and some gasoline engines used in compaction equipment. When engaged during cranking, it opens the decompression valve slightly, releasing built-up cylinder pressure and allowing the engine to spin up to a sufficient cranking speed before the valve closes and full compression is restored — at which point the engine fires. Without a properly functioning decompression lever, cranking resistance increases significantly, making hand-start engines nearly impossible to pull over and placing excessive load on electric starters. A worn, bent, or broken lever can result in hard starting, failure to start, or damage to the starter rope and recoil assembly.
Part Details
| Part Number | 5000094909 |
|---|---|
| Old Part Number | 0094909 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Decompression Lever |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| Double Drum Vibratory Roller | RD7H | 5000008042, 5100017195, 5100017338, 5200015242, 5200015245, 5100006333 |
| DPU 5045He-VIBROPLATE | DPU 5045He US | 5000610367 |
| DPU 6555H | DPU 6555H | 5100009651, 5000610355 |
| DPU 6555Hs | DPU 6555Hs | 5100015773 |
| DPU4545H | DPU 4545H | 5100009661, 5000610348 |
| DPU4545He | DPU4545He | 5100016951 |
| DPU4545He-VIBROPLATE | DPU 4545He | 5000610347 |
| DPU4545Hec | DPU4545Hec | 5100016953 |
| DPU4545Hech | DPU4545Hech | 5100015429, 5100051522 |
| DPU4545HECH US | DPU4545Hech US | 5100016952 |
| DPU4545Hechzf | DPU4545Hechzf | 5100022112 |
| DPU4545Heh | DPU4545Heh | 5100009659 |
| DPU4545HEH US | DPU4545Heh US | 5100009660 |
| DPU5045H-VIBROPLATE,DIESEL | DPU 5045H | 5000610052, 5000610046, 5000610047, 5000007936, 5000007965, 5000007862, 5000610045 |
| DPU5545H | DPU 5545H | 5100009656, 5000610352 |
| DPU5545He | DPU5545He | 5100016947 |
| DPU5545He-VIBROPLATE | DPU 5545He US | 5000610402 |
| DPU5545Heap | DPU5545Heap | 5100016949 |
| DPU5545Hec | DPU5545Hec | 5100016950 |
| DPU5545Hech | DPU5545Hech | 5100009655, 5100051523 |
| DPU5545HECH US | DPU5545Hech US | 5100016948 |
| DPU5545Heh | DPU5545Heh | 5100009652 |
| DPU5545HEH US | DPU5545Heh US | 5100009653 |
| DPU5545Hehap | DPU5545Hehap | 5100009654 |
| DPU6055-VIBROPLATE | DPU 6055He | 5000610053 |
| DPU6055-VIBROPLATE | DPU 6055 WC | 5000610175 |
| DPU6555 Hech | DPU6555 Hech | 5100009639 |
| DPU6555He | DPU6555He | 5100016940 |
| DPU6555He-VIBROPLATE | DPU 6555He US | 5000610357 |
| DPU6555Heap | DPU6555Heap | 5100016943 |
| DPU6555Hec | DPU6555Hec | 5100016944 |
| DPU6555Hec Reversible Vibratory Plate | DPU 6555Hec US | 5100004399 |
| DPU6555Hech | DPU6555Hech | 5100051524 |
| DPU6555Hech US | DPU6555Hech US | 5100009650, 5100062487 |
| DPU6555Hechzf | DPU6555Hechzf | 5100021400 |
| DPU6555Hecs | DPU6555Hecs | 5100016945 |
| DPU6555Hecsh | DPU6555Hecsh | 5100015775 |
| DPU6555Heh | DPU6555Heh | 5100009636 |
| DPU6555HEH US | DPU6555Heh US | 5100009637, 5100058447 |
| DPU6555Hehap | DPU6555Hehap | 5100009638 |
| DPU6555Hes | DPU6555Hes | 5100016941 |
| DPU6555Hesh | DPU6555Hesh | 5100015774 |
| Hydrostatic Double Drum Vibrat ory Roller | RD10 | 5000008056 |
| RD 7ES | RD7H-ES EU | 5000620794 |
| RD 7S | RD7H-S EU | 5000620795 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| RD7H-ES Tandem Roller | RD7H-ES | 5000009408 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| RD7Heh | RD7Heh | 5100006334 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
| RD7Hf | RD7Hf | 5100006338 |
| RD7Hfb | RD7Hfb | 5100006343 |
| V.Plate DPU 4045Hap | DPU 4045H | 5000610044, 5000610064, 5000610051, 5000007935, 5000007888, 5000610043 |
| V.Plate DPU 6055Heap | DPU 6055 | 5000610049, 5000610050, 5000008768, 5000008766, 5000008767, 5000610048 |
| Vibration Plate | DPU6555He US | 5100016942 |
| Vibration Plate | DPU6555Hec US | 5100016946 |
| Vibration Plate | DPU6555Hehapn | 5100079579 |
| Vibratory Plate | DPU 6555Hec | 5100004060 |
| Vibratory Plate | DPU 5545Hec | 5100005859 |
| Vibratory Plate DPU 4545Hap | DPU 4545Hap | 5000610349 |
| Vibratory Plate DPU 4545He US | DPU 4545He US | 5100000679 |
| Vibratory Plate DPU 5545He | DPU 5545He | 5000610351 |
| Vibratory Plate DPU 5545Heap | DPU 5545Heap | 5000610353 |
| Vibratory Plate DPU 6555He | DPU 6555He | 5000610354 |
| Vibratory Plate DPU 6555Heap | DPU 6555Heap | 5000610356 |
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.
