The Wacker Neuson is a genuine OEM Flange Bolt M8x25 DIN6921 8.8 A2K designed for WPU1550A, WPU1550AW, PT2A, and PT3A series machines. Sourced directly from Wacker Neuson, this is the exact bolt specified for these compactors and pumps — matching the original in thread pitch, shank length, flange geometry, and grade 8.8 tensile strength. Confirmed fitment spans both US and standard variants of the WPU1550 vibratory plate series, as well as PT2A and PT3A trash pump models. Ordering by part number ensures you receive the correct fastener without guesswork.
Key Features
- Grade 8.8 Tensile Strength — Meets the mechanical property requirements of the DIN6921 standard, delivering the clamping force these machines demand under vibration and load.
- Integrated Flange Bearing Surface — The built-in serrated flange distributes clamping load evenly and resists loosening under the continuous vibration typical of plate compactors and pump applications.
- Direct OEM Replacement — Matches the original M8x25 dimensions and DIN6921 specification exactly, so it seats and torques to spec without shimming or modification.
- Broad Series Fitment — Confirmed for WPU1550A and WPU1550AW vibratory plate compactors (US and standard variants) and PT2A and PT3A trash pumps.
- Corrosion-Resistant A2K Finish — The A2K coating provides a layer of protection against moisture and corrosion, extending service life in outdoor and wet-environment applications.
A flange bolt combines a standard hex bolt with an integrated load-spreading flange beneath the head, eliminating the need for a separate washer and providing consistent clamping force across the fastened joint. In high-vibration equipment like vibratory plate compactors and trash pumps, maintaining proper clamp load is critical — a loose or incorrect fastener can allow components to shift, accelerating wear on mating surfaces and potentially causing structural failure of the joint. Replacing a worn or damaged flange bolt with the correct OEM-spec part restores the joint to its designed clamping integrity and keeps the assembly secure through demanding work cycles.
Part Details
| Part Number | 5100048614 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flange Bolt M8x25 DIN6921 8.8 A2K |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| WPU1550A | WPU1550A | 5100071592 |
| PT2A | PT2A | 5100058524, 5100058525 |
| PT3A | PT3A | 5100058535, 5100058536 |
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.
