The Wacker Neuson Manual Starting Assembly is a genuine OEM component designed for MP20 and MP12 single direction plate compactors. Sourced directly from Wacker Neuson, this assembly is manufactured to the same specifications as the original part fitted at the factory, ensuring a correct, straight-swap installation. It is the right choice when the existing starting mechanism has worn, seized, or sustained damage that prevents reliable engine startup. Confirm your model number before ordering — this assembly is verified for MP20 () and MP12 () single direction plate applications.
Key Features
- OEM-Matched Starting Mechanism Components — All internal elements of the recoil and engagement assembly are produced to Wacker Neuson's original tolerances, so cord tension, pawl engagement, and spring return behave exactly as intended on a new machine.
- Direct Drop-In Replacement — Engineered to mount to the same bolt pattern and interface points as the original, so installation follows the standard service procedure without modification to the housing or engine deck.
- Confirmed Fitment for MP20 and MP12 Plate Compactors — Verified compatibility with MP20 (5000630379) and MP12 (5000630380) single direction plate models, covering both common compactor sizes in this Wacker Neuson series.
- Restores First-Pull Starting Performance — A worn or broken starting assembly forces repeated pull attempts and puts stress on the operator and engine. Replacing it with part 5000408486 brings back the clean, consistent engagement the machine was built to deliver.
- Genuine Wacker Neuson OEM Quality — Supplied as an authorized genuine OEM part, giving you confidence that material grades, cord strength, and recoil spring specification match what left the production line originally.
The manual starting assembly is the hand-operated mechanism that cranks the engine to life on a plate compactor. When the operator pulls the starter cord, an internal recoil spring retracts the cord while spring-loaded pawls engage the engine flywheel, transferring rotational energy to turn the engine over and initiate combustion. When this assembly wears out — through a broken recoil spring, frayed cord, or damaged pawl — the engine becomes difficult or impossible to start manually, taking the machine out of service entirely. Replacing the assembly as a complete unit is the most straightforward repair, restoring full starting function without the need to source and match individual sub-components.
Part Details
| Part Number | 5000408486 |
|---|---|
| Old Part Number | 0408486 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Manual Starting Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Direction Plates | MP20 | 5000630379 |
| Single Direction Plates | MP12 | 5000630380 |
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.
