The Wacker Neuson Recoil Starter Assembly is a genuine OEM component designed for MDP3 trash pumps and MPU 29 reversible plate compactors. Sourced directly from Wacker Neuson, this assembly delivers the exact fit, cord tension, and engagement geometry the original design calls for — no guesswork, no adaptation. It covers multiple MDP3 and MPU 29 configurations, making it the go-to replacement for operators running either of these machine families. When a recoil starter fails in the field, swapping in the correct OEM assembly gets the engine starting reliably again without compromising the rest of the starting system.
Key Features
- OEM-Correct Pawl Engagement: — Genuine Wacker Neuson construction ensures the starter pawl engages and releases the flywheel at the exact tolerance the engine requires — preventing hard-start conditions and premature wear on the starter cup.
- Drop-In Assembly Replacement: — Supplied as a complete assembly with housing, recoil spring, rope, and handle, so the unit bolts directly onto the engine in place of the original without sourcing individual sub-components.
- Covers MDP3 and MPU 29 Series: — Confirmed fitment across MDP3 trash pump variants and MPU 29 reversible plate compactor configurations, consolidating one part number across multiple machines in your fleet.
- Restores Cold-Start Pulling Force: — A worn or broken recoil assembly leads to a limp or non-returning pull cord; this replacement restores the full spring tension needed for consistent, single-pull starts in cold or high-compression conditions.
- Genuine Wacker Neuson Part: — As an authorized OEM assembly, part number 5000405104 meets the original material and dimensional specifications — critical for a starting system component that takes repeated mechanical stress every time the engine is fired.
The recoil starter assembly is the manual starting mechanism on small engine-powered equipment. When the operator pulls the handle, the internal recoil spring stores energy and spins the engine crankshaft fast enough to initiate combustion, then the rope retracts automatically for the next pull. A failed recoil spring, frayed rope, or damaged pawl assembly means the engine simply cannot be started manually, leaving the machine completely inoperable until the assembly is replaced. Keeping a correctly matched recoil starter on the machine is one of the simplest ways to ensure the equipment is ready to run whenever it is needed.
Part Details
| Part Number | 5000405104 |
|---|---|
| Old Part Number | 0405104 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Recoil Starter Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Trash Pumps | MDP3 | 5000630140, 5000630144, 5000630176, 5000630177 |
| Reversible Plates | MPU 29 | 5000630141, 5000630228 |
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.
