The Wacker Neuson Retaining Ring is a genuine OEM retaining ring designed for the DPU6555, DPU5545, and DPU4545 series reversible vibratory plate compactors. Sourced directly from Wacker Neuson, this part meets the exact same specifications as the component originally installed at the factory — no guesswork, no compromise. Part number covers a broad range of DPU configurations including Heh, Hech, He, Hes, Heap, Hec, Hesh, and Hecsh variants, making it a widely applicable choice across the DPU plate compactor lineup.
Key Features
- Genuine OEM Retention Geometry — Manufactured to the exact dimensional tolerances required to seat and hold securely in the groove, maintaining correct axial component positioning throughout operation.
- Direct Drop-In Installation — Matches the original groove dimensions and ring profile of DPU6555, DPU5545, and DPU4545 machines, snapping into place without machining or modification.
- Broad DPU Series Coverage — Compatible with an extensive range of DPU plate compactor variants including Heh, Hech, He, Hes, Hesh, Heap, Hec, Hecsh, and more across the DPU4545, DPU5545, and DPU6555 families.
- Locks Critical Components in Position — A correctly functioning retaining ring prevents axial movement of shafts, bearings, or drive components; a worn or missing ring can lead to rapid internal wear and compactor failure.
- Authorized Wacker Neuson Part — Supplied as a genuine OEM component under part number 5100051908, ensuring full compatibility and consistency with Wacker Neuson service and maintenance standards.
A retaining ring — sometimes called a circlip or snap ring — is a small but essential fastening component used to hold shafts, pins, or other cylindrical parts firmly within a bore or housing. In a vibratory plate compactor like the DPU series, these rings secure rotating and reciprocating drive components against axial displacement caused by the constant vibration loads the machine generates. When a retaining ring becomes worn, deformed, or breaks, the component it holds can shift out of position, leading to accelerated bearing wear, misalignment, or outright mechanical failure of the drive assembly.
Part Details
| Part Number | 5100051908 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| DPU6555Heh | DPU6555Heh | 5100009636 |
| DPU6555Hehap | DPU6555Hehap | 5100009638 |
| DPU6555 Hech | DPU6555 Hech | 5100009639 |
| DPU5545Heh | DPU5545Heh | 5100009652 |
| DPU5545Hehap | DPU5545Hehap | 5100009654 |
| DPU5545Hech | DPU5545Hech | 5100009655, 5100051523 |
| DPU4545Heh | DPU4545Heh | 5100009659 |
| DPU6555Hesh | DPU6555Hesh | 5100015774 |
| DPU6555Hecsh | DPU6555Hecsh | 5100015775 |
| DPU6555He | DPU6555He | 5100016940 |
| DPU6555Hes | DPU6555Hes | 5100016941 |
| DPU6555Heap | DPU6555Heap | 5100016943 |
| DPU6555Hec | DPU6555Hec | 5100016944 |
| DPU6555Hecs | DPU6555Hecs | 5100016945 |
| DPU 6555H | DPU 6555H | 5100009651 |
| DPU4545Hech | DPU4545Hech | 5100015429, 5100051522 |
| DPU 6555Hs | DPU 6555Hs | 5100015773 |
| DPU5545He | DPU5545He | 5100016947 |
| DPU5545Heap | DPU5545Heap | 5100016949 |
| DPU5545Hec | DPU5545Hec | 5100016950 |
| DPU4545He | DPU4545He | 5100016951 |
| DPU4545Hec | DPU4545Hec | 5100016953 |
| DPU6555Hechzf | DPU6555Hechzf | 5100021400 |
| DPU4545Hechzf | DPU4545Hechzf | 5100022112 |
| DPU6555Heh US | DPU6555Heh US | 5100058447 |
| DPU6555Hech US | DPU6555Hech US | 5100062487 |
| DPU6555Hech | DPU6555Hech | 5100051524 |
| Vibration Plate | DPU6555Hehapn | 5100079579 |
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.
