The Wacker Neuson is a genuine OEM Hexagonal Head Cap Screw designed for the PT6 series large-capacity trash pumps, including PT6LT, PT6LS, PT6Y, PT6YT, and PTK6 models. As a factory-sourced fastener, it meets the exact thread specification, grade, and head geometry called out in the original machine build, ensuring a secure, torque-correct installation without modification. This screw is used across a wide range of PT6 configurations — trailer-mounted, skid-mounted, and standalone units — making a high-demand service part for pump maintenance and repair. Keep a spare on hand to avoid delays during scheduled service or field repairs.
Key Features
- OEM Grade and Thread Spec: — Sourced directly from Wacker Neuson, this cap screw matches the original thread pitch, shank diameter, and head size specified for PT6 series pump assemblies — no guesswork on fastener grade.
- Drop-In Installation: — Engineered to seat and torque exactly as the original, this hexagonal head cap screw installs into existing threaded bosses without chasing threads or adapting hardware.
- Broad PT6 Series Coverage: — Fits PT6LT, PT6LS, PT6Y, PT6YT, PTK6, and their variant configurations including T4, skid-mounted, trailer-mounted, and international spec units.
- Structural Integrity Where It Counts: — A correct, properly torqued cap screw maintains clamping force across pump housings and mounting assemblies; an undersized or worn fastener risks joint loosening under the sustained vibration of high-volume pumping operations.
- Fuel and Fluid System Safety: — On pump assemblies where cap screws secure fuel system brackets or fluid-path components, using the correct OEM-grade fastener is essential to maintaining a leak-free, safe installation.
A hexagonal head cap screw is a precision-grade threaded fastener used to clamp and secure structural joints, housing covers, brackets, and mounting assemblies throughout the pump unit. Unlike standard bolts, cap screws are designed to thread directly into tapped holes, providing tight, load-bearing connections without a nut. On high-output trash pumps like the PT6 series, fasteners are subjected to continuous vibration and mechanical stress during operation — a loose, stripped, or incorrect cap screw can allow critical joints to shift or separate, compromising pump performance and operator safety. Replacing worn or damaged fasteners with the correct OEM part, Wacker Neuson 5000077828, ensures the assembly holds to the original clamping specification across the full service life of the pump.
Part Details
| Part Number | 5000077828 |
|---|---|
| Old Part Number | 0077828 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hexagonal Head Cap Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| Trash Pump | PTK6 | 5200007830 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.
