The Wacker Neuson is a genuine OEM Piston Assembly.25mm O.S. designed for the DS720 diesel vibratory rammer and the VPY1740, VPY1750, and VP2050Y vibratory plate compactors. As a factory-sourced component, the is manufactured to the exact dimensional and material tolerances specified for these machines, ensuring a correct fit in worn or oversized bore applications requiring a.25mm oversize piston. This oversize designation makes it the appropriate service replacement when a standard-dimension piston is no longer suitable following cylinder bore reconditioning. Confirm your machine model and bore condition before ordering to ensure the is the correct service specification for your engine.
Key Features
- Oversize Bore Specification: — Sized at .25mm over standard, this piston is the correct service part after cylinder bore reconditioning — not a substitute for a standard-clearance assembly.
- Genuine OEM Manufacture: — Produced to Wacker Neuson's exact metallurgical and dimensional specifications, ensuring proper ring-groove geometry, skirt profile, and pin bore alignment for these engines.
- Cross-Family Fitment: — Confirmed for the DS720 diesel rammer (330mm/13in shoe) and the VPY1740, VPY1750, and VP2050Y diesel-powered vibratory plate compactors — covering both rammer and plate compaction equipment within a single part number.
- Engine Performance Restoration: — A correctly fitted oversize piston restores proper compression, reduces blow-by, and returns the engine to full power output — critical for consistent compaction force in demanding soil and aggregate applications.
- Direct OEM Replacement: — Sourced directly from Wacker Neuson, the 5000087430 installs using the same procedure as the original component with no modification to the cylinder head, connecting rod, or crankcase required.
The piston is a core reciprocating component within a four-stroke diesel engine. It converts the force of combustion into mechanical motion, transferring energy through the connecting rod to the crankshaft. In vibratory compaction equipment, maintaining correct piston-to-bore clearance is essential — excessive clearance caused by wear leads to lost compression, reduced power, increased oil consumption, and difficulty starting. An oversize piston like the 5000087430 is used during engine rebuild when the cylinder bore has been measured and machined to accept the .25mm oversize dimension, restoring the correct running clearance and extending the serviceable life of the engine.
Part Details
| Part Number | 5000087430 |
|---|---|
| Old Part Number | 0087430 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Assembly .25mm 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.
