The Wacker Neuson Upper Mass is a genuine OEM component designed for the VP2050A, VP1550A, and VP1340A series vibration plate compactors. Sourced directly from Wacker Neuson, this part carries the same specifications as the original, ensuring a correct, direct-fit installation with no guesswork. It is compatible across multiple VP-series configurations including US, CN, and Loxam variants, making it a versatile stock item for fleet operators and rental companies running these machines. When you need to restore your plate compactor to full working condition, replacing the upper mass with a genuine OEM part is the straightforward path to getting the machine back on the ground performing as intended.
Key Features
- Genuine OEM Structural Integrity — Manufactured to Wacker Neuson's original mass and balance specifications, so vibration dynamics are not compromised by dimensional variation.
- Direct-Fit Installation — Matches the original mounting points and interface geometry of the VP-series exciter housing, dropping straight into place without rework.
- Broad VP-Series Compatibility — Fits VP2050A, VP1550A, and VP1340A compactors across US, CN, and Loxam model variants, covering a wide range of common plate compactor configurations.
- Restored Compaction Performance — A correctly weighted upper mass keeps vibration amplitude and frequency balanced, maintaining the ground contact force the machine was rated to deliver.
- Long-Term Durability — Built from the same materials Wacker Neuson uses in production, so service life aligns with what the original part achieved under normal operating conditions.
The upper mass is one of the two primary weighted assemblies in a vibration plate compactor's exciter system. Working in opposition to the lower mass, it generates the oscillating force that drives the base plate into the ground to compact soil, gravel, or asphalt. When the upper mass is damaged, worn, or out of balance, the compactor loses the rhythmic impact energy it depends on — resulting in uneven compaction, increased operator vibration, and stress on surrounding components. Replacing a failed upper mass restores the correct force output and protects the rest of the exciter assembly from the knock-on effects of running out of balance.
Part Details
| Part Number | 5100028852 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Upper Mass |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| VP2050Aw | VP2050Aw US | 5100029050 |
| VP2050A | VP2050A US | 5100029051 |
| VP2050Aw | VP2050Aw | 5100029052 |
| VP2050A | VP2050A | 5100029053 |
| VP1550Aw | VP1550Aw US | 5100029054 |
| VP1550A | VP1550A US | 5100029055 |
| VP1550Aw | VP1550Aw | 5100029056, 5100051526 |
| VP1550A | VP1550A | 5100029057 |
| VP1340Aw | VP1340Aw US | 5100029058 |
| VP1340A | VP1340A US | 5100029059 |
| VP1340Aw | VP1340Aw | 5100029060 |
| VP1140A | VP1340A | 5100029061 |
| VP1340Aw | VP1340Aw Loxam | 5100029062 |
| Vibration Plate | VP2050Aw CN | 5100039664 |
| Vibration Plate | VP1340Aw CN | 5100039665 |
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.