The Wacker Neuson Ring Set Piston (Std) is a genuine OEM component designed for the PDT2A, PDT3A, and PDI3A series vibratory plate compactors. Sourced directly from Wacker Neuson, this standard-size ring set delivers the exact specifications required to restore proper engine compression and sealing in these machines. It is a direct-fit replacement that installs to original equipment tolerances, ensuring no guesswork during assembly. Confirm your model number against the fitment list before ordering to ensure accurate compatibility.
Key Features
- OEM Compression Tolerances — Manufactured to Wacker Neuson's original ring gap and tension specifications, ensuring correct cylinder sealing and combustion efficiency for this engine application.
- Standard Bore Size — Supplied in standard (Std) sizing for use in unworn or freshly honed cylinders, allowing straightforward installation without additional machining.
- Confirmed Fitment — Verified for PDT2A, PDT3A, and PDI3A vibratory plate compactors; cross-reference your model and serial number before ordering.
- Restored Engine Performance — Worn or broken piston rings cause loss of compression, increased oil consumption, and poor power output; a fresh ring set returns the engine to full operating condition.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM component under part number 5100056639, backed by Wacker Neuson's parts program for traceability and quality assurance.
Piston rings form a dynamic seal between the piston and the cylinder wall, maintaining combustion pressure while controlling oil from entering the combustion chamber. In a compactor engine, this seal is critical to generating the consistent power needed to drive the exciter mechanism and deliver effective compaction force. When piston rings wear, crack, or lose tension, compression drops, the engine runs poorly, oil consumption rises, and in severe cases the engine may fail to start or sustain operation under load.
Part Details
| Part Number | 5100056639 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Ring Set Piston (Std) |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PDT2A | PDT2A | 5000620769 |
| PDT3A | PDT3A | 5000620773 |
| PDI3A | PDI3A | 5000620775 |
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.