The Wacker Neuson is a genuine OEM Piston Assembly.50mm O.S. designed for the DS720 diesel vibratory rammer and the VPY1740, VPY1750, and VP2050Y vibratory plate compactors. As a factory-sourced component, this oversize piston is manufactured to Wacker Neuson's exact dimensional and material specifications, making it the correct choice when engine reconditioning requires a step-up bore size. Confirm your machine's model number and engine bore specification before ordering to ensure this.50mm oversize piston is appropriate for your rebuild.
Key Features
- Oversize Bore Specification: — Machined to a precise .50mm oversize tolerance, this piston is engineered specifically for engines that have been bored out during reconditioning — not a direct swap for standard-bore applications.
- Genuine OEM Construction: — Sourced directly from Wacker Neuson, this piston assembly matches the original metallurgy and ring-groove geometry required for correct compression and long-term cylinder wall sealing.
- Broad Model Compatibility: — Fits the DS720 diesel rammer as well as the VPY1740, VPY1750, and VP2050Y diesel-powered vibratory plate compactors, covering multiple machines within the Wacker Neuson diesel compaction lineup.
- Restored Compression Performance: — A correctly fitted oversize piston restores proper combustion chamber sealing after a bore job, bringing engine power and fuel efficiency back to operating spec — a worn or undersized piston causes blow-by, loss of pull, and hard starting.
- Complete Assembly Format: — Supplied as a full piston assembly, reducing the number of individual components to source and simplifying the engine rebuild process.
The piston assembly is the core reciprocating component of a four-stroke diesel engine. It travels up and down inside the cylinder bore, compressing the air-fuel mixture on the compression stroke and transferring combustion force to the crankshaft via the connecting rod. Over time, cylinder walls wear and must be rebored to a larger diameter; an oversize piston like this .50mm O.S. unit is then required to restore the correct fit between the piston and the freshly bored cylinder wall. Without the right oversize specification, compression will be lost, engine output will drop, and oil consumption will increase — ultimately shortening the service life of the rebuilt engine.
Part Details
| Part Number | 5000087432 |
|---|---|
| Old Part Number | 0087432 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Assembly .50mm O.S. |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Vibratory Rammer, 330mm /13in Shoe | DS720 | 5000008203 |
| Diesel Vibratory Plate | VPY1740 | 5000007126, 5000009082 |
| Diesel Vibratory Plate | VPY1750 | 5000007127, 5000009081 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050Y | 5000009090 |
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.
