The Wacker Neuson Support Tube is a genuine OEM component designed for the WPU1550A, WPU1550Aw, WPU1550A-US, and WPU1550AW-US series reversible plate compactors. Sourced directly from Wacker Neuson, this part meets the exact dimensional and material standards of the original, ensuring a straight drop-in installation with no guesswork. It is confirmed compatible across multiple WPU1550A variants, making it the correct choice whether you are servicing a standard or water-ballasted model.
Key Features
- Genuine OEM Construction Integrity — Manufactured to Wacker Neuson's original material and dimensional specifications, so the tube maintains the structural rigidity the machine was designed around.
- Direct Drop-In Replacement — Matches the original mounting points and profile of the WPU1550A platform, allowing straightforward installation without reworking surrounding components.
- Broad WPU1550A Series Coverage — Fits WPU1550A, WPU1550Aw, WPU1550A-US, WPU1550AW-US, and WPU 1550A-L reversible plate compactors in a single part number.
- Structural Support You Can Count On — A correctly fitted support tube keeps critical assemblies properly aligned during compaction cycles; a worn or damaged tube can cause misalignment, excessive vibration transfer, and accelerated wear on connected parts.
- Verified OEM Part Number — Ordering by Wacker Neuson part number 5000401890 ensures you receive the exact component — not a close approximation — for your specific machine variant.
The support tube provides rigid structural connection between key assemblies on the compactor, maintaining correct geometry and alignment under the repetitive impact loads generated during plate compaction work. When the tube is intact and properly seated, force is transmitted through the machine as intended, protecting surrounding components from stress they were not designed to absorb. A cracked, bent, or worn support tube can allow unwanted movement between assemblies, leading to vibration-related damage, uneven wear, and reduced compaction output over time.
Part Details
| Part Number | 5000401890 |
|---|---|
| Old Part Number | 0401890 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Support Tube |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
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.
