The Wacker Neuson is a genuine OEM Piston Complete designed for the PT3H centrifugal trash pump series and the DPU 3050H, DPU 3060H, DPU 3070H, and DPU 3060H-TS reversible vibratory plate compactors. As a factory-sourced component, the is manufactured to the same tolerances and material specifications as the original part it replaces, ensuring a direct, hassle-free installation. Whether you're rebuilding a pump or restoring compaction performance on a DPU-series plate, this piston assembly delivers the fit and function your machine requires. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- OEM-Grade Piston Tolerancing — Manufactured to exact bore clearance and compression specifications, ensuring proper sealing and consistent stroke performance across both pump and compactor applications.
- Drop-In Engine Compatibility — Engineered to match the original piston profile, ring land dimensions, and pin bore of the Honda-powered engine used across the PT3H and DPU 3050H/3060H/3070H platforms — installs without machining or modification.
- Wide Cross-Family Fitment — A single part number covering the PT3H centrifugal trash pump and DPU 3050H, DPU 3060H, DPU 3070H, and DPU 3060H-TS reversible vibratory plate compactors, making it a practical stocking part for mixed fleets.
- Sustained Compression and Power Output — A correctly fitted piston maintains cylinder compression, which directly drives pump flow rate and compactor centrifugal force output. A worn or damaged piston causes hard starting, loss of power, and reduced compaction depth.
- Fuel System and Combustion Safety — A properly seated piston prevents blow-by, which can introduce unburned fuel into the crankcase — a condition that degrades oil lubrication and raises fire risk in high-cycle equipment like trash pumps and plate compactors.
The piston is the reciprocating heart of a four-stroke internal combustion engine, converting the pressure of combustion into the mechanical force that drives everything downstream — whether that's a pump impeller moving water or an exciter shaft generating vibration in a compactor plate. It must maintain a precise fit within the cylinder bore to seal combustion gases, transfer heat to the cylinder walls, and withstand continuous high-temperature, high-pressure cycling. When a piston wears, cracks, or loses ring integrity, compression drops, power falls off noticeably, and oil consumption rises — all signs the engine needs a piston service before further damage occurs to the cylinder bore or connecting rod.
Part Details
| Part Number | 5000151261 |
|---|---|
| Old Part Number | 0151261 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242 |
| DPU3050H VIBROPLATE | DPU 3050H | 5000008759, 5000610039 |
| vibration plate DPU 3060 H | DPU 3060H | 5000008760, 5000610040 |
| Vibratory Plate | DPU 3070H | 5000008908, 5000610041 |
| DPU 3060H-TS-VIBROPLATE | DPU 3060H-TS | 5000610006, 5000610042 |
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.